Originally Posted by Melooley
I tried this method yesterday, and while all my (black brush?) algae now looks weakened and pathetic, all 7 of my juvie BN plecos died within 12 hours of the treatment...
I know algae can be frustrating and I'm sure this works for some, but really risking your fish to get rid of algae with this treatment, I don't get that. There are 'safe' ways to fix your setup.