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I agree, but it's a little misleading when BCD lift requirements are described as if wetsuit compression, tank weight, body compression, surface flotation, equipment, and bouyancy control all are needed at the same time at the same depth. For example, you need your BCD to provide postive...

Thanks, for the great info. It seems then that wetsuit compression is a major factor in needing extra lift. However, this is only temporary as you return to the surface compression decreases and your bouyancy increases. In your example your Bare 5/3 loses 8 pounds between 10 and 100 ft. so it...

Hello Everyone! I am a newly certified open-water diver who just returned from diving in ST. John. I was wondering why divers purchase BCD's that have such high lift capacities? From what I understand, the BCD's purpose is to fine tune bouyancy at depth and float you comfortably at the...