Key Takeaways –
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Choosing a scuba certification in Koh Tao often begins with three names: PADI, RAID and SSI. All three provide structured scuba education, digital learning, practical water training, continuing-education courses and professional pathways. However, they organise their programs differently, use different course names and may place emphasis on different parts of a diver’s development.
For most beginners, there is no single certification agency that is automatically best. A well-taught PADI, RAID or SSI course can provide a strong foundation for recreational diving. The more useful question is whether the course gives you sufficient theory, supervised water practice, equipment familiarity, buoyancy development, safety awareness and individual support.
The certification agency matters, but so do the instructor, dive centre, group size, schedule, equipment, training environment and time available for skill development.
This guide compares PADI, RAID and SSI across the full scuba-training pathway, from Open Water and advanced courses to rescue, specialities, Divemaster, instructor and technical training, so you can choose the option that suits your goals in Koh Tao and beyond.
A scuba certification agency is an organisation that develops diver-training programs and authorises qualified professionals to deliver them.
The agency typically determines:
IMPORTANT NOTE The agency does not personally teach every student. Your training is delivered by an authorised instructor working independently or through an affiliated dive centre. This distinction is important because two schools teaching through the same agency can provide noticeably different experiences. They may use different schedules, group sizes, equipment, training locations and teaching approaches while still working within the same agency framework. |
PADI, RAID and SSI are represented within the Recreational Scuba Training Council system. The WRSTC develops minimum training standards for recreational diving, while each member agency builds its own courses, materials and procedures around applicable standards.
Comparison area | PADI | RAID | SSI |
Entry-level certification | Buceador de aguas abiertas | Open Water | Buceador de aguas abiertas |
Main advanced route | Advanced Open Water Diver and specialities | Explorer, Advanced and specialty programs | Advanced Open Water Diver, specialities, and experience-based recognition ratings |
Rescue-level training | Rescue Diver | Master Rescue | Diver Stress & Rescue |
Recreational achievement level | Master Scuba Diver rating | Master Diver | Master Diver recognition |
First major professional level | Divemaster | Divemaster | Dive Guide or Divemaster pathway |
Instructor pathway | Assistant Instructor and Open Water Scuba Instructor | Open Circuit Instructor and further instructor ratings | Assistant Instructor, Instructor Training Course and Open Water Instructor |
Technical pathway | TecRec and related technical programs | Open-circuit, closed-circuit and rebreather programs | Extended Range and rebreather programs |
Digital learning | PADI eLearning and PADI App | Free RAID eLearning Platform and Digital Student Account | MySSI app and digital learning platform |
Digital certification | Available through the PADI ecosystem | Electronic certification issued through RAID | Digital certification stored in MySSI |
Distinctive structural feature | Large global training and dive-centre network | Strong stated emphasis on buoyancy, trim and performance skills | Integrated app, digital logbook and recognition ratings linked to training and logged experience |
Best considered by | Travellers who value widespread brand familiarity | Divers attracted to a performance- and buoyancy-focused training philosophy | Divers who value app-based learning, logging and an experience-linked progression system |
PADI stands for the Professional Association of Diving Instructors. It is one of the most widely recognised consumer brands in recreational scuba diving and offers training for beginners, continuing recreational divers, dive professionals and technical divers. PADI states that it has certified more than 30 million divers through its worldwide network.
The PADI Open Water Diver course is its principal entry-level scuba certification. It combines:
PADI describes Open Water, Advanced Open Water and Rescue Diver as its three core recreational courses.
The PADI Advanced Open Water Diver course is designed to develop experience rather than certify only highly experienced divers.
It normally includes:
The optional dives can introduce activities such as wreck diving, underwater photography, fish identification or other speciality areas. The course is therefore often used as a practical introduction to several types of diving rather than as complete speciality training in each subject.
PADI Rescue Diver moves the focus beyond personal skills and towards:
Rescue-level training usually requires suitable first-aid and CPR preparation, either before or alongside the scuba course.
PADI offers speciality programs covering areas such as:
A speciality course normally provides more focused training than a single adventure dive completed during Advanced Open Water.
PADI Master Scuba Diver is a recreational achievement rating rather than a professional qualification.
It combines:
PADI requires Open Water Diver, Advanced Open Water Diver, Rescue Diver, five speciality certifications and at least 50 logged dives for this rating.
It should not be confused with PADI Divemaster. Master Scuba Diver is a recreational recognition, while Divemaster is the first major professional training level.
The PADI professional pathway begins with Divemaster and can progress through instructor and senior instructor-development levels.
The broad pathway includes:
PADI describes Divemaster as the first professional step, followed by instructor-level education for those who want to teach and certify divers.
PADI may suit divers who:
Its global visibility is an advantage for travellers who feel more comfortable choosing a brand they have already encountered. However, brand familiarity should not be mistaken for proof that every PADI course or instructor provides the same experience.
RAID operates as Dive RAID International and offers recreational, professional, technical, open-circuit, rebreather and freediving training.
Its programs extend from introductory experiences and Open Water certification through advanced recreational courses, rescue training, Divemaster, instructor ratings and technical programs.
RAID Open Water provides the foundational knowledge and practical skills required for recreational diving with a qualified buddy.
The program includes academic learning, confined-water development, open-water training and instructor assessment.
RAID publicly places particular emphasis on:
RAID states that students are expected to demonstrate Open Water skills while neutrally buoyant rather than relying on the bottom as a platform. This includes skills such as mask removal, regulator recovery and gas sharing.
This does not mean that buoyancy is absent from other agency courses. Buoyancy control is fundamental across recreational scuba education. RAID’s distinction is the way it publicly positions buoyancy, trim and in-water performance within its teaching philosophy.
After Open Water, RAID divers can progress through programs such as Explorer 30, Advanced 35 and individual speciality courses.
Advanced 35 is intended for certified divers who want to develop their abilities through areas such as:
RAID describes Advanced 35 as a program that combines advanced techniques with exposure to different speciality areas.
The correct next course depends on the diver’s existing certification, logged experience and training goals. Divers should therefore compare actual prerequisites and course outcomes rather than assuming that every agency’s “advanced” program is directly identical.
RAID’s rescue-level training is called Master Rescue.
It is designed to develop:
This level is relevant both to recreational divers who want stronger emergency skills and to those preparing for professional training.
RAID offers speciality programs in areas such as:
Its Master Diver rating combines advanced training, rescue preparation, relevant specialities and substantial logged underwater experience. RAID’s published pathway requires several named qualifications and experience requirements rather than completion of one short standalone course.
RAID Divemaster develops qualified divers into dive leaders who may guide certified divers and assist instructors within the limits of their professional rating.
RAID’s Divemaster prerequisites accept specific RAID qualifications or equivalent certifications from a recognised training agency. This is a useful example of how cross-agency progression works in practice: a diver does not necessarily need to repeat every previous recreational course under RAID before entering an eligible RAID professional program.
The RAID leadership pathway includes:
RAID has a substantial technical-training background and offers both open-circuit and closed-circuit pathways.
These can include training related to:
Technical diving involves greater complexity and risk than standard recreational scuba. Agency choice at this level should be considered alongside instructor experience, equipment configuration, team procedures, local conditions and the exact technical discipline being studied.
RAID uses its FREE e-Learning system for course materials, quizzes and academic preparation. RAID states that registered users can access learning materials digitally, complete knowledge work and receive an electronic certification after completing all required training and assessments.
RAID may suit divers who:
The quality of these outcomes still depends on how thoroughly the individual instructor applies the standards.
SSI stands for Scuba Schools International. It offers recreational scuba, freediving, extended-range, rebreather, professional, swimming and other aquatic education programs.
SSI uses the MySSI platform to combine:
SSI describes MySSI as an all-in-one digital platform for learning materials, certification cards and logbook functions.
SSI Open Water Diver is its principal entry-level recreational scuba certification.
The course combines:
SSI’s entry-level programs require a water-fitness evaluation before open-water training. SSI describes the assessment as establishing a baseline for swimming ability and comfort in the water.
SSI’s current Advanced Open Water Diver program introduces five speciality areas through one training dive in each.
Deep Diving and Navigation are included, together with three additional speciality areas selected according to availability and interest. The training dives may later be credited towards completion of the corresponding full speciality programs.
This makes it important to distinguish between:
These are related but not identical achievements.
SSI combines training programs with recognition ratings linked to both education and logged diving experience.
Its published recognition structure includes:
For example, SSI’s Master Diver recognition combines several advanced training elements: Diver Stress & Rescue, Deep Diving and substantial logged experience.
This differs from systems where an advanced card may be earned primarily through one defined course. When comparing SSI with PADI or RAID, ask whether you are looking at a training certification, a speciality certification or an experience-based recognition rating.
SSI’s rescue-level program is called Diver Stress & Rescue.
It teaches divers to:
SSI states that the course combines academic learning with pool and open-water practice.
SSI’s professional pathway includes Dive Guide, Divemaster, Assistant Instructor and Open Water Instructor-level training.
The pathway can include:
SSI describes its Instructor Training Course and Instructor Evaluation as the route towards qualifying as an Open Water Instructor.
SSI’s Extended Range system provides training beyond normal recreational limits and includes pathways involving:
SSI also offers standalone rebreather education through its extended training system.
SSI may suit divers who:
As with PADI and RAID, the individual instructor and centre remain central to the quality of the course.
The three agencies cover broadly similar stages of diver development, but their course names and exact prerequisites are not identical.
Training stage | PADI | RAID | SSI | Main purpose |
Introductory experience | Discover Scuba Diving | Bautizo | Try Scuba or Basic Diver | Experience scuba under direct supervision without completing a full independent-diver certification |
Entry-level certification | Buceador de aguas abiertas | Open Water | Buceador de aguas abiertas | Learn the fundamental knowledge and skills required to dive with a suitably qualified buddy |
Continuing development | Advanced Open Water Diver | Explorer and Advanced programs | Advanced Open Water Diver and specialities | Build experience in navigation, advanced planning and different types of diving |
Speciality training | Individual PADI specialities | Individual RAID specialities | Individual SSI specialities | Develop skills for a particular environment, activity or equipment type |
Rescue-level training | Rescue Diver | Master Rescue | Diver Stress & Rescue | Recognise, prevent and respond to diving problems |
High recreational recognition | Master Scuba Diver | Master Diver | Master Diver | Recognise substantial training and logged diving experience |
First professional pathway | Divemaster | Divemaster | Dive Guide and Divemaster | Develop leadership, guiding and course-assisting abilities |
Instructor pathway | Assistant Instructor and Open Water Scuba Instructor | Open Circuit Instructor pathway | Assistant Instructor and Open Water Instructor | Learn to teach and certify divers within agency standards |
Technical pathway | TecRec | Technical open-circuit and rebreather pathways | Extended Range and rebreather pathways | Train for more complex equipment, planning, environments and procedures |
Note: This table should not be used as a direct equivalency chart. A training centre must review the diver’s actual certification, experience and course prerequisites before confirming eligibility for the next level.
Although PADI, SSI, and RAID each have their own teaching style, learning platform, and course structure, their Open Water Diver courses are built around the same goal: helping beginners develop the knowledge, practical skills, and confidence needed to dive safely as recreational scuba divers.
The order of training and the terminology may vary slightly between agencies, but every Open Water course generally includes the following core components.
Before entering the water, students learn the fundamental principles of scuba diving, including:
Depending on the certification agency and dive centre, theory may be completed through an eLearning platform, mobile app, classroom sessions, printed materials, or a combination of these methods.
Students are taught how to correctly identify, assemble, inspect, and use the essential scuba equipment they’ll rely on underwater, including:
Good training goes beyond simply putting the equipment on. Students should understand what each component does, how to perform basic pre-dive safety checks, and how to recognise obvious equipment issues before entering the water.
Confined-water training takes place in a swimming pool or another calm, controlled environment where beginners can develop their skills before diving in open water.
Students typically practise:
Students must demonstrate these essential skills confidently before progressing to open-water dives.
Once confined-water skills have been mastered, students complete their training in the ocean or another suitable open-water environment under instructor supervision.
During these dives, students gradually learn to apply their knowledge in real diving conditions while developing confidence and awareness.
Training typically includes:
While each agency sets minimum performance standards, the overall quality of training depends largely on the instructor, the student-to-instructor ratio, and the amount of meaningful practice provided throughout the course.
Open Water certification is competency-based, not attendance-based. Completing the scheduled sessions or paying the course fee does not automatically guarantee certification.
Before issuing a certification, the instructor must be satisfied that the student has successfully demonstrated the required knowledge, practical skills, and safe diving habits.
A responsible instructor will provide additional coaching, practice, or explanation whenever needed rather than advancing a student who is not yet ready. The goal is not simply to complete the course, but to ensure every new diver can dive safely and confidently after certification.
Many comparisons between PADI, SSI, and RAID focus on brand recognition, popularity, or claims that one certification is “better” than another. In reality, these factors have very little impact on the quality of your first diving experience.
For most beginners, what matters is how you’re taught, how much time you have to practise, and how well your instructor prepares you to dive safely and confidently after certification. Here are the differences worth paying attention to.
Every certification agency requires students to master essential scuba skills, but the way those skills are introduced and practised can vary between agencies, instructors, and dive centres.
When comparing courses, consider questions such as:
RAID places a strong emphasis on developing skills while maintaining neutral buoyancy, encouraging students to practise techniques in a way that closely reflects real diving conditions. PADI and SSI instructors can also adopt this teaching approach, although the learning experience often depends more on the individual instructor and dive centre than on the certification agency itself.
The number of advertised training sessions doesn’t always reflect how much meaningful practice you’ll actually get.
Before booking, ask questions such as:
A course that allows plenty of time for practice often produces more confident and capable divers than one that simply focuses on completing the schedule as quickly as possible.
All three agencies offer digital learning, but their platforms and overall user experience differ.
The best platform is the one that suits your learning style. Check whether the course is available in your preferred language, whether offline access is supported, and how easy it is to revisit learning materials after certification.
If you plan to continue diving beyond your Open Water certification, it’s worth understanding how each agency structures its training pathway.
For someone planning to dive occasionally while travelling, these differences may have little practical impact. However, divers interested in technical diving, professional training, or becoming an instructor may wish to compare each agency’s long-term development pathway more closely.
Every certification agency has standards that instructors must follow, but experienced instructors can still adapt their teaching to meet the needs of individual students.
This may include adjusting the pace of training based on:
Good flexibility doesn’t mean skipping required skills or lowering certification standards. Instead, it means adapting the teaching process while ensuring every student achieves the required level of knowledge, competence, and confidence before earning their certification.
Yes. RAID is an internationally recognised scuba certification agency, and its recreational and professional certifications are accepted by dive centres around the world. Like PADI and SSI, RAID follows internationally recognised training standards, allowing certified divers to continue their education and dive with operators in many countries.
However, international recognition doesn’t mean automatic access to every dive or activity. Regardless of whether you hold a RAID, PADI, or SSI certification, a responsible dive centre will assess whether your training and experience are appropriate for the dive you want to undertake.
Before allowing you to dive, operators may consider factors such as:
A scuba certification demonstrates that you’ve successfully completed the required training, but safe diving also depends on maintaining your skills and having experience appropriate for the conditions. That’s why reputable dive centres focus on both your certification and your current diving ability before approving certain dives or advanced activities.
Yes. In most cases, a diver certified through RAID can dive with a PADI- or SSI-affiliated dive centre, just as PADI- and SSI-certified divers can dive with centres affiliated with other internationally recognised training agencies.
For recreational fun dives, the certification agency is usually less important than whether your training and experience are suitable for the planned dive. Before accepting a booking, a dive centre may consider:
The dive centre may also ask to verify your certification through a digital account or request your certification card as proof of qualification.
In most situations, you won’t need to repeat your Open Water course simply because the dive centre teaches through a different certification agency. As long as your certification is from a recognised agency and your experience matches the planned dive, you can generally continue diving without any issues.
Yes, in most cases. Recreational scuba certifications from internationally recognised agencies such as PADI, SSI, and RAID are generally accepted as prerequisites for continuing your training with another agency. Rather than converting your certification, the new training provider assesses whether your existing qualification meets the entry requirements for the course you want to take.
For example:
At the recreational level, switching agencies is usually straightforward. However, before accepting you into an advanced or professional course, the dive centre may review factors such as:
Professional-level crossovers, such as becoming an instructor with a different agency, are typically more structured than recreational training. Most agencies require candidates to complete additional agency-specific standards training, assessments, or instructor evaluations before they are authorised to teach under the new organisation.
For most recreational fun dives, the certification agency itself is usually less important than your qualification level, recent diving experience and overall comfort in the water.
Before allowing you to join a dive, a responsible dive operator or guide may focus on questions such as:
Your certification card confirms that you completed the required training at a certain point in time. However, it does not show how recently you have used those skills or how comfortable you are underwater today.
A diver who was certified several years ago but has limited recent experience may require more guidance than an active diver with regular dive practice — regardless of whether their certification is from PADI, RAID, or SSI. For future fun dives, your current ability and confidence often matter more than the logo on your certification card.
Recreational scuba certifications are generally issued as lifetime qualifications rather than short-term licences that require annual renewal. PADI states that its scuba certifications do not expire, while RAID and SSI provide digital certification records that remain accessible after completion.
However, having a permanent certification does not mean your diving skills stay automatically current.
A dive centre may recommend or require a refresher session if:
Note: A refresher does not replace your original certification. Instead, it helps refresh important knowledge, rebuild underwater confidence, review essential skills and allows the dive team to understand your current comfort level before entering the water.
It is not accurate to say that one major recreational scuba certification agency is universally safer than another. Safety depends less on the name of the agency and more on how training standards are applied in practice.
A diver’s safety is influenced by factors such as:
PADI, RAID and SSI all provide structured recreational scuba training systems designed to teach safe diving practices.
For many students, the quality of the instructor has a greater impact on the overall learning experience than the name of the certification agency.
A good instructor should:
A certification agency provides the training standards, course structure and educational materials. The instructor is responsible for applying those standards and turning them into a safe, effective and enjoyable learning experience.
This does not mean the agency is unimportant. Factors such as course design, educational resources, quality assurance and instructor training all contribute to the overall standard of the programme. However, when choosing a dive course, it is worth evaluating both the certification agency and the instructor or dive centre delivering the training.
No certification agency automatically provides the best experience for every nervous beginner. The quality of the learning environment, instructor approach and pace of training often matter more than the agency name itself.
A nervous beginner should look for a dive centre that offers:
A good instructor understands the difference between normal first-dive anxiety and a student who is genuinely uncomfortable, overwhelmed or not ready to progress. Building confidence should be part of the training process, not something expected from the student immediately.
IMPORTANT NOTE: One beginner may feel more comfortable with a patient RAID instructor, while another may have a better experience with a supportive PADI or SSI instructor. The best choice is usually the dive centre and instructor who create a safe, encouraging learning environment, not simply the agency logo on the certification card.
Your priority | Agency or factor to consider | Why |
Strongest mainstream brand familiarity | PADI | PADI has a large international network and high recognition among travellers |
Buoyancy and trim emphasised throughout skill development | RAID | RAID publicly requires core skills to be demonstrated while neutrally buoyant |
Integrated learning, certification and dive-log app | SSI | MySSI combines education, certification records and logging |
Continuing education linked to both training and logged experience | SSI | SSI awards recognition ratings based on speciality education and experience milestones |
Straightforward core recreational sequence | PADI | Open Water, Advanced Open Water and Rescue provide a familiar progression |
Interest in performance-based or technical development | RAID | RAID connects recreational training with performance, technical and rebreather pathways |
Future professional training | Compare the actual centre | Mentorship, course duration, real experience and instructor development matter more than the entry-level agency alone |
Nervous first-time diver | Compare instructors and group structure | Patience, pace and individual attention are more important than agency branding |
International fun diving | Any of the three | Appropriate certifications are generally usable across recognised dive-centre networks |
Unsure about long-term goals | Choose the best local course delivery | Recreational divers can usually change agencies later |
PADI, RAID and SSI certifications can all support international recreational diving.
For travel, consider:
PADI has the strongest mainstream consumer familiarity of the three. SSI also has a substantial international training-centre network and digital verification system. RAID has international electronic certification and courses that accept recognised cross-agency equivalents at higher levels.
For most recreational travel, choosing a well-taught course is more important than selecting an agency solely because you think another operator may not recognise the card.
PADI, RAID and SSI are all credible choices for scuba education in Koh Tao. None is automatically the best agency for every diver.
PADI may appeal to travellers who value strong global brand familiarity, a large training network and a widely understood recreational pathway.
RAID may appeal to divers who value a strong stated emphasis on neutral buoyancy, trim, performance skills and a direct connection to technical and rebreather education.
SSI may appeal to divers who prefer an integrated digital platform, speciality-based progression and recognition levels linked to both training and logged experience.
However, agency differences should not distract you from the factors that most directly influence your course:
A patient instructor delivering a complete and well-structured course is more valuable than a famous logo attached to rushed training.
The right scuba certification depends on what you want from diving.
A beginner may need patience, clear instruction and a manageable schedule. A certified recreational diver may care more about speciality choices and future travel. A Divemaster candidate should examine mentorship, leadership experience and professional development. A future technical diver should evaluate the agency pathway, instructor background and equipment philosophy in much greater detail.
PADI, RAID and SSI can all provide routes from first certification to advanced recreational, rescue, professional and specialised training. Rather than asking which agency is universally best, compare how each course is delivered and whether it supports your individual goals.
Buceo en La Bombona Koh Tao provides training through RAID, including beginner, continuing-education, rescue and professional development options. Travellers interested in the RAID approach can explore the available cursos o contact the La Bombona Diving team to discuss their experience, schedule and future diving plans without pressure to select a course before their questions have been answered.
PADI is not automatically better than RAID or SSI. While PADI has one of the most widely recognised names in recreational scuba diving and a large global network of dive centres, certification quality depends on more than the agency logo on your card.
PADI, RAID and SSI all provide structured recreational scuba training programmes based on established safety standards, skill development and knowledge requirements.
The main differences are often related to:
Yes, RAID is an internationally recognised scuba certification agency that provides recreational, professional and technical diving programmes. Its certifications are issued electronically, allowing divers to access and verify their training records through RAID’s digital system.
A RAID-certified diver can generally use their certification to participate in suitable recreational dives, even when booking with a dive centre that teaches through another recognised agency. As with any certification, acceptance may depend on the dive operator’s policies, the type of dive planned and whether the diver meets the experience requirements for that activity.
For most recreational diving, operators are typically more concerned with your certification level, recent dive experience, number of logged dives and comfort in the water than the specific agency name on your card. A current and appropriately qualified RAID diver can join suitable dives alongside divers certified through agencies such as PADI or SSI.
Yes, generally you can dive with a PADI dive centre after completing your RAID Open Water certification. Recreational dive centres usually recognise certifications from other internationally established training agencies, provided your qualification matches the requirements of the planned dive.
When booking a dive, the PADI centre may verify your RAID certification and ask about factors such as:
For example, a newly certified RAID Open Water diver may be suitable for a standard guided fun dive in calm conditions, while a deeper, current-heavy or more technical dive may require additional experience or qualifications.
Your certification agency is only one part of the assessment. Dive operators generally focus more on whether you have the right training, recent experience and skills needed to complete the dive safely. A RAID Open Water certification allows you to continue your recreational diving journey with suitable dive centres, including those operating under PADI or SSI.
Yes, usually. An SSI-certified diver can continue training with PADI, RAID or another recognised agency. The new training centre will review the diver’s existing certification and experience level and confirm that the SSI qualification meets the prerequisites for the planned course. Additional skills, assessments or refresher training may be recommended depending on the course level and the diver’s recent experience.
Use this checklist before paying.
Course and Certification
Schedule
Instructor and Group
Equipment
Safety and Medical Process
Price and Terms
You do not need to be an expert swimmer or have competitive swimming ability to learn scuba diving. However, you must be comfortable enough in the water to complete the required water-fitness assessment and handle basic in-water situations safely.
Entry-level scuba courses typically assess:
The exact requirements vary depending on the certification agency and course level. PADI, for example, includes a swimming assessment and a timed float or tread-water exercise in its entry-level training. SSI also requires students to complete a water-fitness evaluation before progressing to open-water training.
If you are nervous about swimming, have limited experience or feel uncomfortable in the water, inform the dive centre before booking. A good instructor can explain the requirements, recommend suitable preparation and help you choose a course pace that matches your confidence level.
Before starting a scuba course, beginners are usually required to complete a scuba medical questionnaire. This helps the dive centre and instructor identify any health conditions that could affect diving safety and determine whether additional medical advice is needed.
The questionnaire may ask about:
Answering “yes” to a question does not automatically mean you cannot scuba dive. In many cases, it simply means you may need written clearance from a qualified medical professional before participating.
Recognised scuba training agencies, including PADI, use medical screening procedures to help assess diver fitness before training begins.
Always complete medical forms honestly and accurately. Sharing relevant information allows the instructor to make appropriate safety decisions, recommend precautions and ensure you have the right support during your course.
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Is your old scuba certification still valid? Learn about scuba certification validity, when you need a refresher dive in Koh Tao, & how the Reboot Course works.
Is your old scuba certification still valid? Learn about scuba certification validity, when you need a refresher dive in Koh Tao, & how the Reboot Course works.
Is your old scuba certification still valid? Learn about scuba certification validity, when you need a refresher dive in Koh Tao, & how the Reboot Course works.
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