That's probably what caused it. It should be no big deal, especially if the stuff is cured. If your fish are gasping at the surface, then do some water changes, but I really doubt it'll get higher than where it's at.
Hi I just switch from freshwater to saltwater.I am running a 55gal tank with two canisters xp3 and a protien skimmer.I also would to have live rocks and some fish also I was woundering if I should use a wet and dry filer and not use my canister. I've also heard of the wet and dry problems like if the power goes out I can have a flood in my living room ( Wife will kill me!!!) what should I do ????. :sim: :