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#6
12-05-2007, 04:42 PM
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i would drill some holes at the top of the U as it come over the top just around where the water line will be. This will introduce air into the tube therefore breaking the suction of the siphon. But due diligence to keep those holes open is needed - such as removing coraline algae growth. I would drill 2-3 holes because moving snails could plug up the holes just when it "least expect" it. Likelihood a snail is over one hole is slim but possible, over two holes simultaneously very unlikely, but over three holes...... the reef gods must be angry and somebody's gonna get hurt...... real bad.
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____________ If people don't die, it wouldn't make living important. And why do we fall? So we can learn to pick ourselves up. 
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