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Old 03-30-2020, 06:42 AM   #6
Holy smoking keyboard!
Join Date: Feb 2002
Location: London Town
Posts: 5,503
Default Re: Testing air tightness of bag

Originally Posted by Lucky Phil View Post
how long should the bag last before starting to deflate.

There isn't one right answer to this, but in general if you fully inflate it, and can't force in any more air after thirty seconds, you can't get much better.

To me, if it still feels tight as a drum after thirty seconds, I'm happy. Synthetic bags always lose some air, and it's rarely fixable. If it's noticeably slack, then it will be noticeable when playing. If you're fit and not playing at your limits it may be manageable, but it's time to think about a replacement.
CalumII is offline   Reply With Quote