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I do the same except I keep two adjustable wrenches in my save-a-boat dive kit. Plus I have Scubapro regs and they require a special wrench. Another win for HOG regs.I've found that the hose fitting size varies from manufacturer to manufacturer. An inflator hose might be a different size from the second stage hose from the SPG hose etc. For that reason, I keep an adjustable wrench in my tool kit for removing and installing hoses.