TDI Decompression diver course. learn to plan & execute technical dives utilizing a single gas mix to depths not exceeding 150’. This class it for the person that wants to extend bottom times in the 100-150’ range. It is also the building block course for our continuing series of technical dive courses. Class is $300 per person and limited to a maximum of 4 divers. Email me for more information or call @ 386-878-5641 -Gary