Why are bell siphons apparently more popular than a much simpler U-siphon that goes through the side (not OVER the side) of the flood/drain grow bed, in case that’s not obvious. I’ve seen such siphons in one or two demos, but otherwise, nowhere? With so many complaints about bell siphons, and a simple U-siphon seeming much more straightforward. What am I missing? submitted by /u/Zoanyway
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http://dlvr.it/TQCpJh