Originally Posted by retrograde
Fair enough. Any idea of the rough percentage of balls that re-pressurize OK per batch compared to the percentage of "stubborn" or "non-responsive" balls?
Mixing in some re-pressurized balls with a batch of Tretorns might turn a ball machine into one with variable depth oscillation
This is what I do. I would say about 60% represurize just fine, but of that 60% some take two weeks and others a few days.
When there are warmer temperatures I find they represurize faster.