Re: POWERHEAD Check the Venturi valve to be sure that it's closed tightly. Some models give you a cap so that you can remove the venturi all together and cap off that intake port. Other than that, some new pumps have trapped air in them that then gets turned into bubbles, but that usually goes away in minutes. Hope this helps.
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72 gallon bow, 20 gallon sump/refugium, CSL 4x65 PC w/ moonlights, CPR 600gph overflow w/ compact Durso, Turboflotor 1000 Multi, Via Aqua 3600 pump, multiple powerheads, custom outflow, Wavemaker timer. 160lbs LR, 95lbs live sand, 4 green chromis, 2 ocellaris clowns, algae blenny, shrooms, zooanthids, toadstool leather, finger leather, 2 skunk cleaners, 4 peppermint shrimp, 4 serpent stars, 3 cukes, assorted hermits, snails, and procelain crabs everywhere&&&&12 gallon nano-cube, 25 lbs live sand, 10 lbs live rock, ricordia mushroom, black-capped basslet, assorted hermits and snails |