[Tex Gal]

If it breaks up so easily why not siphon it out?

It looks like the middle px of Rhizoclonium on this web site page http://www.theplantedtank.co.uk/algae.htm

Hope you find out.

 

[Tex Gal]

What a battle you are having! It's always hard when what you are fighting is uncommon.

Do you have a UV? Just wondering about the bacteria aspect.