I just installed one of these an hour ago for my JBJ Nanocube 12g to randomize flow. 59 minutes ago I took it off. I got better circulation without it than with it. It could be the maxi jet 1200 isn't powerful enough with the back pressure for good circulation with the spin stream. However I'm not going to install a larger pump just to run the spin stream. IMO not worth the money.
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