You can do quite a few balls with the hook again in the big jug. I think I did 18 or so with the first big jug. Tape over the holes to use less, and save the old stuff(I re use it on kids balls)it seems to work more than once. Also leave the ball in longer than 24 hours if you can, it seems to work better the longer the ball is in. I have tested for oil with a hair dryer before and after and it works!
The cost per ball is not much.
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Visionary test staff member