i have a few questions i just came back from vac. and i let my friend take care of my tank wile i was gone. well come to find out he used tap water to make up for the water evap. instead of my distilled i had beside the tank. now i got globs of hair allege on my rocks and on the sand bottom. i just did a 20-30% water change on my tank and now i got clumps of the allege in my sand. i scrubbed my rock and got off most of it. my question is how can i hget rid of all my hairalage.
my sec question is now i think my regeal tank has a white alcer on his head. and it looking bad. how do i help him out?