Originally Posted By: dave in el dorado ca
merry christmas to you cecil, and thanks for that post. it just goes to show that nothing is really easy, you have to work at what you want...........so where do you get a capillary tube? i dont imagine a McDonald's straw will work...come to think of it, maybe i'm willing to take a chance on the "subjective" vent configurations....




Aquatic Ecosystems pg 207
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If pigs could fly bacon would be harder to come by and there would be a lot of damaged trees.