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Gonna bring back an old school concept here and wait for all the gasps !....plenum/NNR
hook up a tank with a jaubert plenum...add about 4-5" of florida crushed coral..plumb into main tank ...and feed tank water through the plenum tank and back into the main display..
takes up alot of real estate, I know ...but it works...another idea is to just run 6" depth of florida crushed coral in a tank without plenum and do the same thing...I prefer the plenum..I have used systems like this for over 30yrs..time proven and always work for me...FWIW
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HotTuna
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