Dahab: Tec Diving Training for TDI Trimix 60m
00:00 Dumping and retrieving stage tanks
00:15 Gas switching
00:30 No mask breath hold swim
00:56 SMB as backup buoyancy device
Snippets of my TDI Trimix 60m training in Dahab with @scubaseekers3545 , courtesy of the amazing Ras (ig: ras.underwater)
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