Algae Eater.

[mcdanielnc89]

i'll have to take a picture of it..

 

[Lupin]

You really have to address the main cause of the hair algae, not the hair algae itself.

 

[mcdanielnc89]

ALl I know is it's gree, hairy looking, and sticks on almost everything. I can't tell if it's on the plants for the plants are green.