What is causing a clear film on the surface of my fish tank?
Written by bmlengel on March 16th, 2006
Renee asked: I have had the 2.5 gallon tank with one fish in it for one year. A couple days ago I noticed a very thin, clear film on the top. When I touch it, it doesn’t feel like anything at all – but I know it is there because it is catching air bubbles [...]
Tags: Air Bubbles, Catching Air, Couple Days, Fish Tank, Gallon Tank, Partial Water Change, Thin Film, Water Circulating