Originally Posted by Driller31
Well it definately cleared the red slime,...
Well... yes... it will definitely do that! But like mdaniel said, if you don't find the source of the excess nutrients that the stuff feeds off of, it will be back.
A lot of those medications *say* they won't effect your nitrifying bacteria, but whenever I've used Maracyn (in a hospital tank), I haven't found that to be the case.
I would definitely find a new fish store. That LFS
gave you some really bad BAD BAAAAD advice. I would probably do 33% every day, if it was me. Just make sure you salinity and temperature of the new water match your old water. You have a refractometer? If not, this would be a good time to buy one. I'd also run a fair amount of carbon to try and suck that stuff out.