Thanks for responding!
I use a gravel vac and undergravel filter.
I also have a power filter- with a cloth cartridge with charcoal in the middle.
I have air bubbles running along both sides of the tank, and set up those square charcoal boxes where th air comes out.
I have one question about...
I have a 10 gallon tank with a dying plant, one goldfish and two of those dark algae eater fish.
I noticed my goldfish's tail fin had a few "torn" like pieces and a scale or two missing on one of his sides.
I checked my tank, PH level around 7.5, ammonia was high- so I did a partial water...