 Re: BURSTS OF AIR
i had the same thing happen to me, there where large regular bursts of bubbles couldn't figure it out, in the end i resealed all the connections. pumps have a lot of power so it might be drawing air that you're not aware of
hope this helps
peter
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180 gal., dual 400 watt mh 14000k 120 watt NO actinics ,amiracle skimmer, ' quiet one' main pump (1000gph), 5 PH's 60gal fuge/sump, 300lb LR 150lb LS. 10 astrea snails, 2 scarlet hermits, yellow tang, 6 line wrasse, gold stiped maroon clown,2 Firefish, Reagal tang, 3 green chromis, 2 yellow tail blue damsels, fighting conch, colt coral, leather coral, watermellon mushroom, brown zoos, Bubble coral, green fuzzy mushroom, Yellow polyp zoos, Orange Ricordia. | 
