Algae, no i dont have any.

[d9hp]

What is the kind of algae that is sludge like, and dark green. Some kind of slime type look.

 

[reefrunner69]

Cyanobacteria (blue green slime algae), it comes in many different colors.

 

[d9hp]

Does anything eat or kill that stuff?

 

[reefrunner69]

Do a search with the keyword cyanobacteria, and you will find more info than you ever wanted to know.

 

[d9hp]

you will find more info than you ever wanted to know.

that is why i wanted you to just tell me if you knew

 

[troutman11111]

turn up your protein skimmer and pop a bag of popcorn. like rr said there are to many options. i beleve increased skimming and some ph4 remover works wonders.