I have a 4200 with the original plastic bladder. When a I first acquired the bag it was easily inflated and hold air nicely. Every month or so I go through and pump a a little more air in to keep their shape. I tried to pump this one up a little bit then other day and the needle will not penetrate the bladder. I can push the needle all the way into the hole. The bag does not leak any air when I squeeze it.
Has anyone possible run into this problem and know some tips or tricks to save it?
Has anyone possible run into this problem and know some tips or tricks to save it?
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