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Old 01-26-2013, 03:38 AM   #4
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Sorry but I'm still confused about your counter ordeal. I don't know what kind of bubble counter you were using but I just use a gatorade bottle filled with water. Just drill two holes into the cap. The tubing from the generator goes down into the 3/4 filled bottle below the waterline, then another length of tubing starting above the waterline (at or directly below the cap) to the diffuser. I use a check valve at both sections of tubing. You just need to make sure it's airtight. It helps if you drill the holes slightly smaller than the tubing diameter and force the tubing through with pliers.
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