Help identifying strange algae

[FragIt Dan]

Originally Posted by jagermaier

Maybe the chemistry of the water changed when you took your bio pellets off line as that is the purpose of running bio pellets to add bennificial bacteria. You could try using chemi clean to get rid of the cyano, it works well but you will still have to figure out the oot cause.

ChemiClean is specifically to deal with red slime bacteria. I always keep some on hand and use it a couple of times a year for outbreaks. It will sort you out fine,
Dan