What Is This Stuff Growing In My Tank?

[joegti]

Its only on the plastic stuff I have in there - I do have planted matter in the tank as well. Its like green hair, lol.

 

[Amunet]

Looks like black brush algae.

Here ya go, http/www.theplantedtank.co.uk/algae.htm

Great link on the various algae we may encounter. Why's and how to get rid of it.

 

[Katch]

definitely BBA

and I can see decaying plants that are obviously struggling showing CO2 deficiency.