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I put jarquarium #3 in the office today and water kept pooling underneath the jar. I thought I'd have to break it down and do yet another re-seal when I realized that, because I'm using an airstone for flow, and have kept the lid on the jar (plumbing is through the spigot), the lid was sitting loosely on top of the jar...and collecting a lot of spray in the overhang. The condensation was then running down the spines of the octagonal jar and pooling under the jar. I flipped the lid around -- the knob is now underwater -- and it's now flush with the top. Watertight at last! Unfortunately, I've probably also doomed gas exchange levels. I'm going to have to get my DO levels checked once I get my meter calibrated...
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