As some of you may remember, I was having some problems with an aqueon brand heater I got for my 20 gallon. There was condensation inside of the heater and now that is back and the heating wire looks almost corroded. It also looks like there might be hard water deposits inside of the glass. I know it isn't on the outside. What should I do? Should I do what
pops
suggested and not worry about it until the fish are jumping like there is a cattle prod up their anus?
