SDI SPECIALTY CLASSES
The SDI specific classes offered include Computer Nitrox, CPR/First Aid and O2 provider, and TDI Technical Courses: TDI Nitrox Diver, TDI Intro to Tech Diving, Advanced Nitrox, Decompression Procedures, and TDI Trimix Diver.

CPR/First Aid and O2 Provider
Whether it’s being on the scene of an accident or witnessing a medical emergency, most people will be involved in a crisis at some point in their lives. First aid training and incident management skills empower people to step up and take action should these situations arise.
These courses are required for the rescue course and further training.

Computer Nitrox Diver
The regular use of Nitrox by recreational Scuba Divers represents one of the most important advances in the sport in recent history. If you're not already diving with Nitrox, you're missing out! Now you can complete your NITROX training online at home!
WHAT IS NITROX?
Nitrox simply defines a gas mix of Nitrogen and Oxygen - our atmosphere's basic components. You are breathing NITROX right now, at an approximate ratio of 21% oxygen and 79% nitrogen. When we speak of NITROX in the context of Scuba Diving, we are generally referring to "Enriched Air Nitrox" (EAN), meaning that we're breathing a mixture in which the percentage of Oxygen has been increased to some level above 21%. The most popular recreational NITROX mixes consist of 32% (EAN32) and 36% oxygen (EAN36).
WHY NITROX?
The most important benefit gained by the use of NITROX in recreational diving is increased diver safety. By increasing the percentage of oxygen in our breathing gas, we are also reducing the percentage of nitrogen we take in, reducing the amount of residual nitrogen that remains in the body, and resulting in a mathematical reduction in the risk of decompression illness, commonly known as the "bends". Additional benefits gained by the use of NITROX can include dramatically increased maximum no-decompression time limits or "bottom time", and reduced surface interval requirements for repetitive dives. Many divers using Nitrox report additional physical benefits from the use of Nitrox such as lower incidents of "dry mouth", and less fatigue following a day of diving. Chances are, the equipment you are currently using is perfectly suitable for use with most recreational Nitrox mixes.
NITROX TANKS
Scuba cylinders and valves used for EAN / Nitrox must be "oxygen cleaned" to insure against contaminants that could react negatively to higher percentages of Oxygen encountered during the filling process. An oxygen safe cylinder is not necessarily limited to use for EAN. As long as a fill station provides oxygen compatible air, NITROX tanks can usually be used for either Nitrox or Air once they are cleaned.
NITROX REGULATORS
Nearly all “late model” Regulators produced by the major manufacturers may be used with recreational mixes of Nitrox with no modification necessary. Older regulators and those used for richer mixes (greater than 40%) must be cleaned and be made oxygen compatible.
NITROX TRAINING
Specific training is required to safely use and realize the full benefits associated with the recreational use of Nitrox. As with every course we offer, MBT Divers provides Nitrox specialty training with Fun and Flexibility in mind. All you need is your Basic open water certification! The course is easy and is normally completed in just one day!
COURSE SCHEDULING
Nitrox courses are normally scheduled weekly. Other times or days may be available if needed. Call the shop to sign up or to discuss alternative scheduling. Now you can complete your NITROX training online for only $149 ($129 for Military/Students).

TDI Technical Classes
TDI Technical Courses MBT offers include TDI Nitrox Diver, TDI Intro to Tech Diving, Advanced Nitrox, Decompression Procedures, and TDI Trimix Diver.
TDI Nitrox Diver
TDI Nitrox Diver Course is an entry-level course for divers wishing to continue their diver education and utilize enriched air nitrox as a breathing gas to extend no-decompression limits at depth.
WHO THIS COURSE IS FOR
- Open water divers who are interested in learning more about nitrox mixtures
- Open water divers who are interested in extending their bottom time
- A certified diver who has an interest in moving forward with technical diving education
WHY TDI NITROX?
- Ability to dive utilizing EAN-22 to EAN-40
- Ability to enroll in TDI Advanced Nitrox, TDI Decompression Procedures, TDI Semi-closed rebreather courses.
PREREQUISITES
- Minimum age 18, 15 with parental consent
- Minimum certification of open water diver or current enrollment in an open water diver course
What you can expect to learn:
The benefits, hazards, and proper procedures for using nitrox mixes from 22-40% oxygen content
Procedures:
Equipment considerations
Cylinder labeling
Analyzing nitrox mixtures
Gas blending
COST
$139.95 - This price includes your online as well as your practice portion for the TDI nitrox course.
SIGNING UP
There is no deadline or specific time requirement for signing up for any of our courses, however we recommend that you sign up for courses as early as possible to reserve your spot and provide time to preview the course materials. All course fees are NON-REFUNDABLE.
TDI Intro to Tech Diving
The TDI Intro to Tech Course is an introductory course that expands on recreational training by improving in-depth dive planning, advanced buoyancy control, gas management, situational awareness, proper trim, gear configuration and selection. You will have the Opportunity to become a more proficient diver and expand on diver skills and knowledge.
WHO THIS COURSE IS FOR
- Certified open water scuba diver who wants to expand diver knowledge
- Certified open water scuba diver who is considering technical training
- Certified technical diver who is seeking a refresher course
PREREQUISITES
- Minimum age 18, 15 with parental consent
- Minimum certification: SDI Open Water Scuba Diver or equivalent
- Proof of 25 logged open water dives
COST
Contact the dive shop for full course prices. It is $139.95 for the eLearning code. There will be an additional fee for the practical portion of the class, as well as, includes all books, instructor fees, air fills (additional charge for nitrox), and administrative fees.
Additional costs include:
- Optional individual entry fees to the parks and springs is $8 - $25
- Cost of boat charter $125-150
SIGNING UP
There is no deadline or specific time requirement for signing up for any of our courses, however we recommend that you sign up for courses as early as possible to reserve your spot and provide time to preview the course materials. All course fees are NON-REFUNDABLE.
Advanced Nitrox
Are you looking to expand your dive time? Maybe you’re a scientific diver or photographer looking to stay in the water a little longer? The TDI Advanced Nitrox Course qualifies divers to use enriched air nitrox from EAN 21 through EAN 100 percent within your current certification level to a maximum depth of 130ft/40m during dives that do not require staged decompression. Often taught in conjunction with the TDI Decompression Procedures course, this can be considered the foundation of your technical diving career. TDI Advanced Nitrox is also a must for SCR or CCR divers.
PREREQUISITES (MUST BE MADE PRIOR TO THE START OF THE COURSE)
- Minimum age 18, 15 with parental consent
- Minimum certification of TDI Nitrox Diver or equivalent
- Proof of 25 logged open water dives
WHAT YOU CAN EXPECT TO LEARN
Advanced Nitrox picks up where TDI Nitrox leaves off and offers a more in-depth look at diving with nitrox including:
- Physics and physiology relating to diving with gas mixes containing more than 40% oxygen
- Gas planning
- Dive tables
- Dive computers
- Oxygen limitations
- Nitrogen limitations
- Equipment considerations, cylinder labeling, analyzing nitrox mixtures, gas blending procedures, and oxygen service ratings for using gases with more than 40% oxygen
- Demonstrate buoyancy control; ability to hover at fixed position in water column without moving hands or feet
- Show good awareness of buddy and other team members through communication, proximity, and team oriented dive practices
- Demonstrate the ability to manage free flow from primary regulator in controlled fashion, shut down cycle, and switch to back up regulator
- Conduct appropriate safety stop while maintaining neutral buoyancy
- Demonstrate the ability to share air with buddy as both recipient and donor in a controlled manner while maintaining position in the water column
- Demonstrate correct body position; appropriate trim, such as horizontal/streamlined when moving forward
- Demonstrate proper stress analysis with self and dive buddy
COST
Contact the dive shop for full course prices.
Additional costs include:
- Optional individual entry fees to the parks and springs is $8 - $25
- Cost of boat charter $125-150
SIGNING UP
There is no deadline or specific time requirement for signing up for any of our courses, however we recommend that you sign up for courses as early as possible to reserve your spot and provide time to preview the course materials. All course fees are NON-REFUNDABLE.
Decompression Procedures
Are you finding your no- decompression limits (NDLs) a limiting factor to dives? Do you have to ascend sooner than you would like? As sport divers, planned decompression is not something that we do or have been taught. The TDI Decompression Procedures Course prepares you for planned staged decompression diving. With a maximum operating depth of 150ft/45m, this course is your first step beyond the normal sport diving limits. The TDI Decompression Procedures Course combined with the TDI Advanced Nitrox course form the foundation of all other technical courses. After these two courses and some additional experience, the stage has been set for you to move onto additional technical levels.
PREREQUISITES
- Minimum age 18
- Minimum certification of SDI Advanced Adventure Diver, Advanced Diver, or equivalent
- Proof of 25 logged open water dives
WHAT YOU CAN EXPECT TO LEARN
- Decompression dive planning including:
- Decompression gas choices
- Tables vs. personal dive computers
- Emergency and contingency planning (equipment failure, omitted decompression, etc.)
- Decompression diving procedures
- Equipment selection
- Pre-dive checks and drills
- Stress analysis and mitigation
- Following a decompression schedule
- Gas switching
- Team awareness and communication
- SMB/lift bag deployment
- Proper trim, buoyancy and finning techniques
- Emergency procedures (equipment failures, catastrophic gas loss, omitted decompression, navigational errors, etc.)
- Equipment considerations, cylinder labeling, analyzing nitrox mixtures, and gas blending procedures
- Ability to conduct decompression diving activities without direct supervision provided:
- The diving activities approximate those of training
- The areas of activities approximate those of training
- Environmental conditions approximate those of training
- Ability to enroll in TDI Advanced Nitrox, TDI Extended Range, TDI Advanced Wreck, TDI Trimix courses
COST
Contact the dive shop for full course prices.
Additional costs include:
- Optional individual entry fees to the parks and springs is $8 - $25
- Cost of boat charter $125-150
SIGNING UP
There is no deadline or specific time requirement for signing up for any of our courses, however we recommend that you sign up for courses as early as possible to reserve your spot and provide time to preview the course materials. All course fees are NON-REFUNDABLE.
TDI Trimix Diver
Are you looking to expand your depth range? Do you want to reduce narcosis during deep dives? The TDI Trimix Diver Course could be your next step! As your motivation to explore progresses, you will find that you may want to go deeper to dive that wreck that is part of history or that cave system that you have read so much about. One of the major limiting factors of going deeper is narcosis; TDI’s Trimix Diver course shows how to minimize the effects of narcosis by adding helium to offset the nitrogen in your breathing gas. While taking the Trimix Diver course your TDI Instructor will teach you how to plan and execute dives utilizing as little as 18% oxygen and diving to maximum depth of 200ft/60m with a blend of helium appropriate for the planned depth.
PREREQUISITES
- Minimum age 18
- Minimum certification of TDI Advanced Nitrox AND Decompression Procedures Diver, or equivalent
- Proof of 100 logged dives
WHAT YOU CAN EXPECT TO LEARN
- Advanced decompression dive planning including:
- Gas planning based on equivalent narcotic depths, nitrogen and helium absorption and elimination, CNS and OUT limits, Isobaric Counter diffusion, volume requirements, etc.
- Decompression gas choices
- Tables vs. personal dive computers
- Emergency and contingency planning (equipment failure, omitted decompression, etc)
- Decompression diving procedures
- Equipment selection
- Pre-dive checks and drills
- Stress analysis and mitigation
- Following a decompression schedule
- Gas switching
- Team awareness and communication
- SMB/lift bag deployment
- Proper trim, buoyancy and finning techniques
- Management of multiple decompression/stage cylinders
- Emergency procedures (equipment failures, catastrophic gas loss, omitted decompression, navigational errors, injured/unconscious diver, etc)
- Equipment considerations, cylinder labeling, analyzing trimix nitrox and mixes, and gas blending procedures
- Ability to conduct technical diving activities using custom trimix mixtures without direct supervision provided:
- The diving activities approximate those of training
- The areas of activities approximate those of training
- Environmental conditions approximate those of training
- Ability to enroll in TDI Advanced Wreck and TDI Advanced Trimix courses
COST
Contact the dive shop for full course prices.
Additional costs include:
- Optional individual entry fees to the parks and springs is $8 - $25
- Cost of boat charter $125-150
SIGNING UP
There is no deadline or specific time requirement for signing up for any of our courses, however we recommend that you sign up for courses as early as possible to reserve your spot and provide time to preview the course materials. All course fees are NON-REFUNDABLE.
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