@trustr1 got it. I don't have the HydroMax to do pressure measurements but it sounds like your tissues reached and exceed the normal pressure the pump will allow you.
If you have the MityVac, measure air lower comfortable pressure, normal baseline, and upper barely above the comfortable pressure for one session for us. Do the same for water when you can. We'll come up with a routine for you until you get your equipment mod.
Follow the link to learn more about: Girth program (SRT 5x5x3).
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Follow the link to learn more about: Girth program (SRT 5x5x3).