If it is cyano, it is not algae. It's bacteria. There are products you can attack it with, mostly from the marine hobby but they work in fresh. They cost.
Forget cleaning. It's bacteria. It'll just reappear. The usual move is lights off, cover the tank with a towel and keep it dark except for feeding for a week to 10 days.
Forget cleaning. It's bacteria. It'll just reappear. The usual move is lights off, cover the tank with a towel and keep it dark except for feeding for a week to 10 days.
