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Holes in the bladder. Don't poke holes in your bladder.Desperately searching for some high ground here: what are the most common causes of air bladder leaks and what are best practices to avoid those leaks?
We now return you to your regularly scheduled Frank.
It is my unstudied opinion that the vast majority of bladder holes are caused by "Pinch Flats", or pinching the bladder between the backplate and something on the boat that causes the pinch, often the tank rack. Although I have a DSS bladder, I most often use a Oxychek because the bladder is replaceable (and easily repaired) and I prefer the placement of the inflator.
So a pinch flat can be caused by stacking gear on other gear, or by rough handling by the boat staff, or by sitting back in the tank rack and pushing back to set the tank in the holder. Some boats set the base of the tank in a piece of 8" pvc pipe as a tank rack, and that, by far, is the cause of most pinch flats if the PVC pipe is tall enough to pinch the bladder between the backplate and the PVC pipe.