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Guest
Leak check is easy - no tank required. With my own, I blow them up tight and see that it does not change overnight. If there is a change or I'm in a hurry, I use the bath tub. You may have to do it a piece at a time as it can be difficult to submerge the whole BCD when full of air. Work a piece of the BCD at a time (I start with the inflator). There will be some initial trapped bubbles that have to work their way out so don't worry about the bubble you first see. It may take a few minutes to start to identify small streams of bubbles. Then work on them to make sure it is a leak and not just trapped bubbles being released. Leaks are not necessarily bad (in my book). Seam leaks are usually had to fix so that is a deal killer. Other leaks can usually be repaired fairly easily but really take off from the price.
Also, understand: There are a lot more used BCD available than there are divers shopping for them. Take your time and don't pay too much.
Also, understand: There are a lot more used BCD available than there are divers shopping for them. Take your time and don't pay too much.