Tuesday, February 10, 2026

 

Day 4 – Teaching First Time Divers in Pemuteran





Teaching first time divers is one of the most rewarding parts of being a dive instructor in Bali. Pemuteran offers ideal conditions for beginners, with shallow reefs and minimal current. Students quickly gain confidence as they learn to breathe underwater and control buoyancy. Fear slowly turns into excitement. Watching someone discover the underwater world for the first time is unforgettable. This is where many divers fall in love with the ocean.

Monday, February 9, 2026

 

Day 3 – A Typical Dive Day at Ocean Dreams Pemuteran





A typical dive day in Pemuteran starts early. Tanks are filled, equipment is checked, and dive briefings are prepared. Safety always comes first. Once on the boat, the atmosphere becomes relaxed and friendly. Divers enjoy the calm sea and scenic coastline on the way to the dive sites. Whether it is snorkeling or scuba diving, each guest receives personal attention. After the dive, stories are shared about turtles, coral, and first underwater experiences. These moments define daily life at Ocean Dreams.

Sunday, February 8, 2026

 

Day 2 – Why Menjangan Island Is One of the Best Dive Sites in Bali



Menjangan Island is considered one of the top dive destinations in Bali. Located inside a protected national park, the island offers clear water, impressive wall dives, and rich marine life. Divers regularly encounter turtles, reef fish, and colorful coral formations. At Ocean Dreams Pemuteran, Menjangan trips are planned carefully to avoid crowds and allow long, relaxed dives. The calm atmosphere and untouched reefs make Menjangan ideal for both beginners and experienced divers. Every visit feels special and unspoiled.

Saturday, February 7, 2026

 

Day 1 – Life as a Dive Instructor in Pemuteran, Bali



Living as a dive instructor in Pemuteran means starting each day with the ocean instead of traffic. This quiet area in North Bali offers calm conditions, healthy reefs, and direct access to Menjangan Island. At Ocean Dreams, mornings start with equipment checks, weather observation, and relaxed dive planning. Pemuteran is perfect for beginner and certified divers thanks to gentle slopes and good visibility. Teaching here feels natural and unhurried. This is not mass tourism diving. It is slow, respectful, and focused on quality experiences. Being a dive instructor in Pemuteran is not just a job, it is a lifestyle shaped by the sea.

Monday, January 19, 2026

 10 habits smart divers follow




After training thousands of divers worldwide across recreational, professional, and expedition environments, here are 10 habits smart divers follow, grounded in physics, physiology, and real underwater experience:

1️ Breathing controls everything
Buoyancy starts in the lungs, not the BCD. Slow, diaphragmatic breathing reduces CO₂ retention, lowers stress, improves gas efficiency, and stabilizes depth. Fast breathing creates instability and high air consumption.

2️ Less weight equals more control
Overweighting forces excess air into the BCD, increasing volume changes and drag. Correct weighting allows precise control using breath alone. This is physics, not opinion.

3️ Trim comes before propulsion
A horizontal body position reduces resistance. Poor trim wastes energy and gas. Hydrodynamics matter underwater.

4️ Stillness saves gas
Movement increases oxygen demand. Calm, still divers maintain a lower heart rate, better gas consumption, and superior situational awareness.

5️ Awareness beats experience
Experience without awareness builds bad habits. Smart divers continuously monitor depth, time, gas, buddy position, current, and environment.

6️ Buoyancy is dynamic, not fixed
Gas compresses with depth. What works at 10 m will not work at 30 m. Smart divers anticipate pressure changes instead of reacting too late.

7️ Most panic is CO₂, not fear
Poor breathing and inefficient finning raise CO₂ levels, triggering stress and panic. Control your breathing and you control your mind.

8️ Equipment should disappear underwater
If you constantly adjust your gear, it is not configured properly. Smart divers set up equipment so attention stays on the dive.

9️ Slow ascents protect the body
Rapid ascents increase microbubble formation. Controlled ascents and precise stops reduce decompression stress. This is physiology.

🔟 Smart divers never stop refining the basics
Elite divers do not chase depth. They refine buoyancy, trim, breathing, propulsion, and awareness for life.

This is how calm, confident, capable divers are built.
Not rushed. Not ego-driven.
Just fundamentals done properly.


ssi follow the diver diamond to train confident and comfortable  divers



Monday, January 12, 2026

 LONG HOSE VS SHORT HOSE REGULATOR 2ND STAGE









🔵 Short Hose (Standard Recreational Setup)

Typical length

  • Primary: 70–80 cm (28–32 in)

  • Alternate (octopus): 90–100 cm (36–40 in)

✅ Pros

  • Simple, familiar, and taught in PADI / SSI Open Water

  • Easy hose routing

  • Comfortable for normal buddy distance

  • Less hose management

❌ Cons

  • In an emergency, divers are very close face-to-face

  • Limited movement when sharing air

  • Octopus may be poorly positioned or drag if not secured well

👍 Best for

  • Recreational open water diving

  • Guided dives, resorts, training environments

  • New divers


🟢 Long Hose (Primary Donate Setup)

Typical length

  • Primary: 150 cm (5 ft) or 210 cm (7 ft)

  • Backup (necklaced): 55–60 cm (22–24 in)

✅ Pros

  • Much better air-sharing control

  • Allows swimming single-file (important in overhead / current)

  • Donated reg is always known to be working (it’s the one you’re breathing)

  • Cleaner, streamlined setup

❌ Cons

  • Requires proper training and practice

  • Slightly more complex hose routing

  • Not standard in basic recreational courses

👍 Best for

  • Technical diving

  • Cave / wreck / penetration

  • Advanced recreational divers

  • Strong currents, narrow exits


🔄 Emergency Air-Sharing Comparison

FeatureShort HoseLong Hose
DonateOctopusPrimary
DistanceVery closeComfortable spacing
MovementLimitedExcellent
Stress levelHigherLower
Training neededMinimalModerate

🧠 Which Should YOU Choose?

Choose SHORT hose if:

  • You dive occasionally

  • You follow standard recreational setups

  • You dive with random buddies

  • You want simplicity

Choose LONG hose if:

  • You want maximum safety and control

  • You dive in currents or low visibility

  • You plan tech, wreck, or cavern diving

  • You are comfortable with skill repetition


📌 Important Note (Standards & Training)

  • Long hose is allowed in recreational diving if the diver is trained

  • Many dive pros and instructors now use long hose even on recreational dives

  • Always brief your buddy before the dive if you use a primary-donate setup



Sunday, November 9, 2025

 the diving knife



\A diving knife is a simple, reliable tool that can quickly get you out of dangerous or annoying underwater situations — especially entanglement — and it’s useful for routine tasks.

Why carrying a diving knife is a good idea

  • Cut entanglements fast — fishing line, monofilament, netting, kelp or abandoned lines can trap you or your gear. A knife lets you free yourself or a buddy quickly.

  • Rescue tool for others — you can cut a trapped buddy free or free their gear. That can make the difference in an emergency.

  • Tool for gear problems — cut away snagged straps, trim damaged equipment, or remove stuck lift-bag lines.

  • Signal & prying (limited) — you can tap or point to attract attention; some use it to pry loose things — but prying should be avoided with small knives.

  • General utility — small underwater jobs: cutting tape, opening packaging on a boat, trimming rope.

Typical knife features & what to choose

  • Size: recreational divers usually use 2.5–6 inch (6–15 cm) blades. Shorter is easier to carry and safer; longer is heavier and more like a tool for specialty dives.

  • Blade type: partially serrated (for line) + straight edge (for clean cuts) is common.

  • Material: corrosion-resistant stainless steel or titanium; stainless is cheaper, titanium resists corrosion best.

  • Sheath & mount: secure, low-profile sheath that locks the knife in place. Popular mounting locations: lower leg, calf, or BCD/wing pocket. Choose what’s accessible but won’t snag.

Placement & accessibility

  • Accessible: mount so you can reach it with minimal finning and without removing other gear.

  • Secure: use a sheath with a positive lock. A loose knife is a hazard.

  • Practice reaching for it in calm conditions before you need it.

Safer alternatives / complements

  • Line cutters / shears: faster and safer for cutting monofilament; a good complement to (or replacement for) a knife for many divers.

  • Dive scissors: small, effective for line and tape.

Maintenance

  • Rinse with fresh water after every dive, dry, and apply light oil occasionally.

  • Inspect locking mechanism and sheath regularly.

Safety & legal notes

  • Don’t use as a weapon. A knife is a tool for safety and utility, not aggression.

  • Check local rules. Some operators or locations have rules about carrying knives — always respect them.

  • Get training. Learn safe carry, retrieval, and use techniques (practice in controlled conditions).

Quick rule of thumb

If you dive in areas with fishing gear, kelp, wrecks, or do technical/boat diving, carry a cutting tool (knife or dedicated cutter). In clear, shallow, low-risk shore dives it’s less critical — but many divers still carry a small tool “just in case.”


Wednesday, October 29, 2025

 TO BE VEGAN AND SCUBA DIVE IS IT COMPATIBLE?



Of course 🙂

Yes — veganism and scuba diving are absolutely compatible, but there are a few important things to watch regarding your energy, recovery, and nutrient levels. Here’s a complete overview:


🌊 1. General compatibility

Being vegan doesn’t prevent you from diving at all. Many instructors and professional divers are vegan.
What really matters is that your body has enough energy, iron, and vitamins (especially B12 and D) to maintain proper oxygenation and recover well between dives.


🥦 2. Key points for vegan divers

a. Energy and endurance

  • Diving (especially multiple dives a day) is physically demanding — carrying gear, swimming in currents, long boat rides, etc.

  • Make sure you eat enough complex carbs (rice, quinoa, potatoes, oats, dried fruits).

  • Some new vegans under-eat without realizing it, leading to fatigue or headaches.

b. Protein for recovery

  • Your body needs amino acids to repair muscles after dives.

  • Vegan protein sources: tofu, tempeh, seitan, lentils, chickpeas, edamame, or plant-based protein powders (pea or rice).

c. Iron and oxygenation

  • Iron helps transport oxygen — low levels can cause dizziness or fatigue underwater.

  • Good sources: lentils, kidney beans, spinach, pumpkin seeds, cashews, quinoa.

  • Combine with vitamin C (orange, lemon, bell pepper, kiwi) to boost absorption.

d. Vitamin B12 (non-negotiable)

  • No reliable vegan source — you must take a B12 supplement.

  • Without it, anemia and low oxygen delivery can develop, which is dangerous for divers.

e. Omega-3

  • Helps circulation, focus, and recovery.

  • Vegan sources: flaxseed oil, chia, walnuts, or algae-based omega-3 supplements (the same DHA/EPA found in fish oil).


☀️ 3. Possible advantages

  • Lower inflammation → better muscle recovery.

  • Improved circulation → potentially safer decompression.

  • Environmental awareness → aligns perfectly with ocean protection 🌍🐠.


⚠️ 4. In short

✅ Totally compatible
⚠️ But it requires careful planning for iron, B12, protein, omega-3, and calories.





Saturday, September 20, 2025

 what medication increase the risk of decompression sickness while diving



Certain medications can increase the risk of decompression sickness (DCS) or make diving more dangerous because they affect circulation, hydration, gas elimination, or neurological response. Here are the main categories:


🚫 Medications that may increase DCS risk

1. Vasoconstrictors & Decongestants

  • Examples: pseudoephedrine (Sudafed), phenylephrine

  • They constrict blood vessels, which can reduce nitrogen washout and potentially increase DCS risk.

  • They may also increase heart rate and blood pressure.

2. Diuretics

  • Examples: furosemide, hydrochlorothiazide, spironolactone (to a lesser extent)

  • Can cause dehydration → dehydration is a known risk factor for DCS.

3. Stimulants

  • Examples: amphetamines, ADHD meds (like Adderall, methylphenidate)

  • May affect circulation, hydration, and heat regulation → possible increased risk.

4. Hormones (some cases)

  • Estrogen-containing birth control pills or hormone replacement therapy may slightly affect coagulation and bubble formation, though evidence is mixed.

5. Certain Migraine Medications

  • Ergot derivatives and triptans constrict blood vessels → possible impaired nitrogen elimination.


⚠️ Medications that don’t directly raise DCS risk but can be dangerous

  • Sedatives (benzodiazepines, e.g., Xanax, Valium): Impair judgment, reaction, and may increase CO₂ retention.

  • Alcohol or recreational drugs: Strongly discouraged.

  • Some heart medications (beta blockers, anti-arrhythmics): Can limit exercise capacity or response to stress underwater.


✅ Safe Approach

  • The main issue isn’t just the medicine, but the underlying condition (e.g., asthma, hypertension, anxiety). Both must be considered.

  • Always check with a diving medicine specialist (DAN, hyperbaric physician) before diving with prescription medications.




Friday, September 12, 2025

         XANAX AND SCUBA DIVING



That’s a very important question, because Xanax (alprazolam) and other benzodiazepines affect the brain in ways that are especially relevant for divers.

Here’s a clear summary of what DAN and diving medicine experts say:


🔹 What Xanax Does

  • Xanax = alprazolam, a benzodiazepine.

  • Prescribed for anxiety, panic disorder, or insomnia.

  • It is a central nervous system depressant: reduces anxiety, slows reaction time, causes sedation.


🔹 Why This Is a Concern in Diving

  1. Impaired judgment and reaction time

    • Diving requires quick, clear thinking (problem-solving, monitoring gauges, responding to emergencies).

    • Xanax can cause drowsiness, slower reflexes, and impaired concentration.

  2. Respiratory depression

    • Benzodiazepines may depress breathing, especially if combined with alcohol, antihistamines, or other sedatives.

    • Underwater, this adds risk when breathing dense gas at depth.

  3. Memory and awareness

    • Xanax may cause confusion or reduced situational awareness → dangerous for dive safety.

  4. Dependence / withdrawal

    • Skipping a dose before diving to “stay clear” may trigger withdrawal anxiety or panic — equally dangerous underwater.


🔹 DAN’s Position on Sedatives & Diving

DAN does not recommend diving while using sedatives like Xanax unless:

  • The diver has been evaluated by a dive medicine physician,

  • The medication is taken at a stable, therapeutic dose (not newly started or adjusted),

  • And there are no residual side effects that impair alertness, reaction, or coordination.

DAN generally lists sedatives, tranquilizers, and medications that alter mental status as unsafe for diving because of the cognitive and psychomotor impairment they cause.


✅ Practical Summary

  • Recreational divers should not use Xanax before diving.

  • Occasional or situational Xanax use (e.g. for flight anxiety, sleep) = not compatible with safe scuba diving.

  • Long-term, stable prescription use: must be individually evaluated by a dive doctor.

  • If anxiety is severe enough to require Xanax, that itself may be a contraindication for diving — since panic underwater is one of the greatest risks.



 SUDAFED AND SCUBA DIVING



🔹 Why divers sometimes use Sudafed

  • Sudafed (pseudoephedrine) is a decongestant.

  • Divers sometimes take it before diving to clear sinuses and equalize ears more easily.

  • The idea is that it shrinks nasal passages and reduces congestion.


🔹 The risks for divers

  1. Rebound congestion

    • As the medication wears off, congestion can return suddenly (even during the dive).

    • This may trap air in the sinuses or ears → reverse block (painful and potentially dangerous).

  2. Side effects

    • Sudafed can cause increased heart rate, jitteriness, anxiety, or trouble sleeping.

    • Combined with the stress of diving, this may increase the risk of panic or cardiovascular strain.

  3. Individual reactions

    • Some people tolerate pseudoephedrine well, others don’t.

    • Effects vary, and you don’t want to discover a bad reaction underwater.

  4. Masking an illness

    • If you’re congested enough to need Sudafed, it might mean you shouldn’t dive at all.

    • Diving with a cold or sinus infection increases risk of barotrauma.


🔹 Best practices (based on dive medicine recommendations)

  • Never try Sudafed for the first time before a dive. Test it on land to see how your body reacts.

  • Short-acting version is safer than long-acting (less risk of rebound during the dive).

  • Stay hydrated, since pseudoephedrine can cause dryness.

  • Don’t mix with alcohol or other stimulants.

  • If in doubt, skip the dive. Diving congested is riskier than missing one dive.


👉 Summary:
Sudafed can help with equalization, but it carries risks — particularly rebound congestion and side effects underwater. Many dive doctors and agencies advise: only use it if you know how your body reacts, and never to “force” a dive if you’re sick.


Here is a summary of the official DAN (Divers Alert Network) position on decongestants (like pseudoephedrine / Sudafed) and diving, based on their research reports and FAQs. This is not medical advice — always consult a dive medicine specialist for your personal situation.


✅ DAN’s Bottom Line / Summary of Official Position

In DAN’s view:

  • Using decongestants like pseudoephedrine (Sudafed) can be done, but only with caution.

  • Taking a decongestant to enable a dive when congestion is mild could be acceptable, but diver must understand the risks (rebound, wearing off, side-effects, oxygen toxicity).

  • It is not recommended to rely on decongestants to dive if you're significantly congested, ill, or haven’t verified how your body responds.

  • Always stay within recommended doses; avoid large doses or multiple medications that might increase effects cumulatively.

  • Consider safer alternatives and ensure your plan allows you to equalize reliably throughout both descent and ascent.



 Ventolin and diving


🔹 What Ventolin is

  • Ventolin is a bronchodilator (reliever inhaler) used in asthma and other breathing conditions.

  • It works quickly to open the airways and relieve bronchospasm.


🔹 Main concerns in diving

  1. Asthma itself, not the inhaler

    • The biggest issue is air trapping: if a diver has narrowed airways or mucus plugs, expanding gas can get trapped during ascent → risk of pulmonary barotrauma or arterial gas embolism.

    • Cold water, exercise, or stress can trigger bronchospasm in asthmatics underwater.

  2. Ventolin use before diving

    • Using Ventolin before a dive (as a preventive puff) is sometimes recommended by diving doctors if the diver is otherwise stable and well-controlled.

    • But if you need it frequently or urgently, that’s a red flag → diving may not be safe.

  3. Side effects

    • Salbutamol can cause tremors, palpitations, increased heart rate, but usually mild and short-lived.

    • These aren’t usually dangerous for healthy divers, but worth monitoring.


🔹 DAN & diving medicine guidance

  • Asthma is not an automatic ban anymore, but divers must be carefully screened.

  • DAN suggests:

    • You should be free of symptoms (no wheezing, no coughing, no exercise-induced bronchospasm).

    • Lung function tests (spirometry) should be normal, including after exercise.

    • You should not be relying on Ventolin daily just to be able to dive.

    • Using a preventive puff before diving can be acceptable, if your doctor and dive physician clear you.


✅ Practical summary

  • If you only use Ventolin occasionally (e.g. before exercise, or rarely), and your asthma is stable and controlled → many diving doctors consider diving safe after clearance.

  • If you need it often, or have uncontrolled asthma symptoms → diving is not recommended (too much risk of barotrauma)

  • Always discuss with a dive medicine specialist and get a fitness-to-dive clearance.


always get a doctor approval before use any medicine for scuba diving






Thursday, September 11, 2025

 why you need to check if the diveshop you diving with has oxygen on board



Having an emergency oxygen kit on site is one of the most important safety measures in scuba diving. Here’s why:

1.     First aid for decompression illness (DCI):

o   If a diver shows signs of decompression sickness or arterial gas embolism, giving 100% oxygen immediately is the most effective first aid before reaching a hospital or chamber.

2.     Helps with other diving accidents:

o   Oxygen can assist a diver who is struggling with near-drowning, carbon monoxide poisoning (from bad air fills), or severe lung overexpansion injuries.

3.     Buys critical time:

o   In remote locations (like Pemuteran/Menjangan), medical help may be far away. Oxygen stabilizes the diver and gives them a much better chance of full recovery.

4.     Industry standard & responsibility:

o   Dive centers are expected to have oxygen on site. It shows professionalism, care for safety, and compliance with international diving safety practices.

👉 In short: Oxygen is the number one emergency treatment in diving accidents. Having it ready can be the difference between a full recovery and serious injury—or worse.

a 5lt demand valve will last you 4 hours

a 5lt free flow will last you 30 minutes



Wednesday, September 10, 2025

 SNORKEL AND SCUBA DIVING


WHY IT IS GOOD TO WEART ONE:

1.     Surface swimming without wasting air

o   At the surface, you can breathe through your snorkel instead of using the air from your tank. This saves your tank for when you’re actually underwater.

2.     Energy conservation

o   A snorkel allows you to keep your head in the water and swim comfortably at the surface without constantly lifting it up to breathe. This is especially useful if you need to swim a distance to or from the dive site.

3.     Choppy surface conditions

o   In waves, chop, or swell, a snorkel makes it easier to breathe without swallowing water, since your regulator may not be in your mouth yet.

4.     Safety in emergencies

o   If you run out of air and reach the surface, a snorkel helps you breathe calmly without needing your regulator or lifting your head repeatedly.

5.     Surface waiting time

o   Divers sometimes spend time floating at the surface waiting for a boat pickup or for their group to gather. A snorkel makes this more comfortable and less tiring.

That said, some technical or minimalist divers prefer not to carry one, since it can create drag or get in the way. But for most recreational divers, especially beginners, having a snorkel is considered an important safety and comfort tool.

IS IT MANDATORY?

It depends 🙂

·       Training (beginner courses):
For most agencies like PADI and SSI, having a snorkel is mandatory for entry-level courses (Open Water Diver). The idea is to teach beginners safe surface swimming and air conservation.

·       Recreational diving (after certification):
It is not mandatory, but strongly recommended—especially in areas with waves, current, or when surface swims are needed. You don’t have to wear it but carry one with you in case.

·       Professional/technical diving:
Many experienced divers stop using a snorkel because it can dangle, create drag, or get in the way. Instead, they keep a foldable snorkel in a pocket, only using it if necessary.

👉 So, short answer: Yes, it’s required for training, but later it’s a choice—though still very useful for comfort and safety.



Tuesday, August 12, 2025




 La puberté joue un rôle important en plongée, notamment en ce qui concerne les oreilles et l’équilibrage de la pression.

Chez les adolescents, certaines particularités anatomiques et physiologiques peuvent rendre les oreilles plus sensibles aux problèmes de plongée.


1. Changements liés à la puberté

  • Croissance rapide : pendant la puberté, la taille et la forme des trompes d’Eustache (les conduits reliant l’oreille moyenne au nez) se modifient. Elles peuvent parfois être plus étroites ou moins souples, ce qui complique l’équilibrage.

  • Fluctuations hormonales : elles peuvent influencer la muqueuse nasale et favoriser de petites inflammations ou congestions, même sans rhume.

  • Activité sportive intense : les ados font souvent plus de sport, ce qui augmente le risque de petites infections ORL ou de traumatismes qui perturbent l’égalisation.


2. Risques spécifiques

  • Barotraumatisme de l’oreille moyenne : si la trompe d’Eustache ne s’ouvre pas bien, la pression augmente sur le tympan et peut causer douleur ou lésions.

  • Otites : les jeunes plongeurs sont parfois plus sujets aux otites externes ou moyennes, surtout si l’oreille reste humide ou si le conduit auditif est plus étroit.

  • Sensation d’oreille bouchée après la plongée : plus fréquente si l’égalisation a été difficile.


3. Prévention et bonnes pratiques

  • Éviter de plonger en cas de nez bouché ou d’allergies actives (rhume, sinusite, rhinite saisonnière).

  • Apprendre tôt les techniques d’égalisation : Valsalva douce, Frenzel ou Toynbee, pour éviter de forcer.

  • Faire l’égalisation très tôt et souvent dès la descente.

  • Rincer les oreilles à l’eau douce après chaque plongée pour limiter les risques d’otite externe.

  • Consulter un ORL si un ado a des douleurs récurrentes ou des difficultés à compenser.


💡 Dans certaines écoles de plongée, on recommande une évaluation médicale spécifique pour les jeunes en période de croissance rapide, car leurs oreilles peuvent être plus sensibles aux variations de pression.



 Cremes solaires et les coraux




il existe des crèmes solaires “reef safe” spécialement formulées pour protéger la peau tout en minimisant l’impact sur les coraux et la vie marine.


🌊 Pourquoi c’est important

La plupart des crèmes solaires classiques contiennent des filtres chimiques comme l’oxybenzone et l’octinoxate, qui peuvent :

  • Endommager l’ADN des coraux.

  • Perturber leur reproduction.

  • Favoriser le blanchissement.
    Même à de très faibles concentrations, ces substances peuvent affecter les écosystèmes récifaux.


🔍 Comment choisir une crème solaire “coral safe”

  1. Privilégier les filtres minéraux :

    • Oxyde de zinc (non nano)

    • Dioxyde de titane (non nano)
      → Ils agissent en réfléchissant les rayons UV, sans pénétrer dans la peau ni se dissoudre dans l’eau.

  2. Éviter les ingrédients nocifs :

    • Oxybenzone, octinoxate, octocrylène

    • Homosalate, avobenzone

    • Parfums synthétiques

  3. Formulation biodégradable et sans microplastiques.

  4. Résistante à l’eau mais pas au point de nécessiter des polymères nocifs.


📌 Exemples de marques réputées “reef safe”

(disponibles dans de nombreux pays, y compris en Asie) :

  • Raw Elements 🌱

  • Stream2Sea

  • Alphanova Sun (gamme Bio SPF 30 et 50)

  • ThinkSport / ThinkBaby

  • EQ Love

  • Sun Bum Mineral (gamme minérale uniquement)


💡 Conseil de plongeur/snorkeleur :
Même la meilleure crème solaire laisse une trace dans l’eau. Pour une protection optimale des coraux :

  • Mettre la crème 30 minutes avant d’entrer dans l’eau.

  • Utiliser un lycra anti-UV ou combinaison légère pour réduire la surface de peau exposée.

  • Préférer les zones d’ombre entre deux immersions.


D’accord, faisons clair et concret : voici un tableau “à éviter / à privilégier” pour les crèmes solaires, basé sur leur impact sur les coraux.


🚫 Marques et gammes à éviter (formules chimiques non reef safe)

Ces marques utilisent encore souvent oxybenzone, octinoxate, octocrylène ou autres filtres nocifs :

  • Banana Boat (gammes classiques)

  • Hawaiian Tropic (gammes classiques)

  • Nivea Sun (hors gamme minérale)

  • Garnier Ambre Solaire (hors gamme bio/minérale)

  • Coppertone (gammes classiques)

  • Biore UV (sauf si version “reef friendly” minérale, rare)

  • Shiseido Anessa (gammes chimiques)


✅ Marques/gammes à privilégier (“reef safe” à filtres minéraux non nano)

  • Alphanova Sun (gamme Bio, SPF 30 ou 50)

  • EQ Love (Bio, made in France)

  • Raw Elements (USA, ultra clean)

  • Stream2Sea (certifié “Reef Safe”)

  • ThinkSport / ThinkBaby (minéral, sans nano)

  • Sun Bum Mineral (⚠️ choisir “Mineral” uniquement)

  • Badger Balm (Bio, très protecteur)

  • Laboratoires Biarritz – Algamaris (bio, minéral, résistant à l’eau)


📌 Astuce pour reconnaître une vraie crème “coral safe”

Lire l’étiquette :

  1. Filtres uniquement minéraux → Zinc Oxide ou Titanium Dioxide non nano.

  2. Sans : oxybenzone, octinoxate, octocrylène, homosalate, avobenzone.

  3. Biodégradable et sans microplastiques.



Tuesday, July 29, 2025

 Pourquoi il est important d'avoir son ordi personel en plongee et lequel choisir pour ne pas se ruiner



Avoir son propre ordinateur de plongée est une étape importante pour tout plongeur régulier, et ce n’est pas seulement un luxe. Voici pourquoi c’est utile — puis je te conseillerai quelques modèles fiables et abordables.


✅ Pourquoi c’est important d’avoir son propre ordinateur de plongée :

  1. Sécurité accrue :
    Ton ordinateur calcule en temps réel ta désaturation, tes paliers de décompression et ton temps sans palier. C’est personnalisé selon ta propre plongée, pas un profil générique. Cela diminue les risques d’accidents de décompression.

  2. Continuité :
    En utilisant toujours le même ordinateur, tu bénéficies d’un algorithme cohérent d’une plongée à l’autre. Tu évites les différences de calculs entre plusieurs appareils (ce qui peut fausser ton niveau de saturation en azote).

  3. Autonomie et confort :
    Tu ne dépends plus de l’équipement loué (souvent basique ou pas toujours disponible). Tu peux suivre ta profondeur, durée, température, etc. sur un écran que tu connais bien.

  4. Journal de plongée numérique :
    Beaucoup d’ordinateurs se connectent à une appli via Bluetooth ou câble USB pour sauvegarder toutes tes plongées (utile pour formations, logbook, assurance, etc.).


💰 Quel ordinateur choisir sans se ruiner ?

Voici quelques modèles fiables, simples et abordables, parfaits pour plongeurs loisir, débutant à intermédiaire :

Modèle Prix estimé (EUR) Avantages
Cressi Leonardo 170–220 € Ultra simple, très lisible, idéal pour débutants, un seul bouton.
Aqualung i100 180–230 € Compact, bon rapport qualité-prix, 4 modes (air, nitrox, profondimètre, off).
Mares Puck Pro+ 180–240 € Facile à lire, un bouton, écran large, fiable.
Suunto Zoop Novo 230–280 € Très robuste, très utilisé dans les centres de plongée, très bon écran.
Shearwater Peregrine (plus haut de gamme) 450–550 € Super lisibilité, tactile, multi-nitrox, pour plongeur déjà engagé.

📝 En résumé

✔ Si tu plonges plusieurs fois par an ou fais des formations, un ordinateur devient vite indispensable.
✔ Pour un petit budget, Cressi Leonardo, i100, ou Puck Pro+ sont d’excellents choix.
✔ Neuf ou occasion ? D’occasion peut valoir le coup, si la pile est récente et l’ordi bien entretenu.

Souhaites-tu un modèle avec air intégré (gestion d’air via émetteur) ou un modèle de base suffisant pour Nitrox ?

chez Ocean Dreams Pemuteran  nous utilisons les ordi mares puck pro.

avantages: 

le prix

changement de batterie par l'utilisateur 

l'electronique et la pile sont dissocie , s'il y a de l'eau dan la pile simplement nettoyer le compartiment pile et l'ordi va continuer de fonctionner

ecran lumineux la nuit

possibilite de remise a zero (si vous prettez votre ordi a quelqu'un 

compatibilite nitrox

long bracelet qui peut etre utilise par dessus une dry suit

1 seul bouton donc moins de problemes



Friday, May 23, 2025

 INSTRUCTEUR EXAM A BALI



Un examen d’instructeur SSI (Scuba Schools International) à Bali suit un processus standardisé par SSI, mais bénéficie souvent du cadre idyllique et des excellentes conditions de plongée locales. Voici comment cela se passe généralement :


🔹 Prérequis pour participer à l’examen

Avant l’examen proprement dit, le candidat doit :

  • Avoir complété le SSI Instructor Training Course (ITC), généralement sur 10 à 14 jours.
  • Être Divemaster certifié, avec un minimum de 75 plongées enregistrées (100 au moment de la certification).
  • Avoir les certifications en premiers secours (React Right ou équivalent) à jour.
  • Posséder un certificat médical de moins de 12 mois.

🔹 Structure de l’examen d’instructeur SSI (Instructor Evaluation – IE)

L'examen dure en général 2 jours et est supervisé par un Instructor Trainer certifié SSI, parfois envoyé depuis l'étranger.

1. Épreuves théoriques

  • Examens écrits : 50 questions sur les thèmes suivants :cours ITC  Standards et procedures
  • Évaluation des standards SSI : connaissance des standards, procédures et outils pédagogiques.

2. Évaluation de la pédagogie

  • Présentation académique : un exposé en salle devant d'autres candidats, sur un thème attribué (ex : "effet de la pression sur les gaz").peut etre sur les cours : open water, rescue, nitrox, dive guide ou science de la plongee
  • Présentation en milieu protégé (piscine) : démonstration de compétences et gestion de scénarios. 1 exercices a demontrer et 2 eleves a corriger
  • Présentation en milieu naturel (mer) : encadrement d'élèves dans des conditions réelles, gestion de problème/sauvetage, etc. 2 exercices sans demonstrations et 2 eleves a corriger

3. Compétences de démonstration

  • Exécution et démonstration claire de compétences clés (ex : vidage de masque, remontée d’urgence contrôlée). 3 exercices issus du skill circuit a demontrer avec qualite d’instructeur ( lent, exageration, sub skills
  • Évaluation de la capacité à gérer des élèves débutants et des problèmes sous l’eau.

🔹 Conditions spécifiques à Bali

  • Sites typiques : Tulamben (épave USAT Liberty), Amed, Padang Bai ou Pemuteran (Menjangan).
  • Langues : souvent possible en anglais, indonésien, ou français selon les centres.
  • Centres populaires : Ocean Dreams Pemuteran, Blue Season Bali, Bali Diving Academy, Dive Concepts, etc.

🔹 Coût approximatif

  • ITC et IE : environ 37’000’000 inr ( juin 2025)
  • TOUT INCLUS CHEZ OCEAN DREAMS PEMUTERAN( material physique, digital, certification , cours et exam

Des questions ? contactez-nous a info@oceandrreams.asia

Tuesday, May 20, 2025

 din out int avantages inconvenients






Voici une comparaison des détendeurs de plongée DIN (Deutsches Institut für Normung) en version international (INT), souvent appelée étrier :


🔧 DIN vs INT : Comparaison des deux types de raccords de détendeur

Critère DIN (Deutsches Institut für Normung) INT (ou Etrier / Yoke)
Fixation Se visse directement dans la robinetterie Se fixe autour de la robinetterie, puis se serre
Pression maximale Généralement jusqu'à 300 bars Limité à 200 bars (rarement 232 bars)
Étanchéité Meilleure étanchéité grâce au vissage Étanchéité moins fiable, dépend du serrage
Sécurité Plus sûr à haute pression, moins de risques de fuites Moins adapté aux hautes pressions
Poids / compacité Plus compact et léger Plus volumineux
Robustesse Plus solide, bon maintien dans le temps Peut se désaligner ou se desserrer légèrement
Facilité d'utilisation Demande un vissage (peut être moins pratique avec gants) Facile à fixer, rapide à monter/démonter
Disponibilité mondiale Standard en Europe et chez les plongeurs techniques Très répandu dans les centres de plongée loisirs
Adaptabilité Peut utiliser un adaptateur pour robinet INT Adaptateur INT → DIN plus rare et encombrant

📝 Recommandations

Type de plongeur Recommandation
Plongeur technique ou avancé DIN recommandé (fiable à haute pression, meilleure étanchéité)
Plongeur loisir/vacancier INT suffisant, surtout si vous utilisez du matériel de location
Centre de plongée INT plus pratique, pour sa compatibilité avec tous les clients

🧩 Adaptateurs

  • DIN vers INT : adaptateur vissable — pratique si vous avez un détendeur DIN mais que la bouteille est INT.

  • INT vers DIN : adaptateur moins courant, parfois problématique pour la sécurité ou l’espace.