What is it?

[Gary Ellis]

Been dosing with Waste-Away to get rid of Cyano and now I have this. What is it? I'm getting it on the gravel and rocks. Sort of looks like cob webs. If I clean the gravel it comes right back within hours. Corals are not opening up either.

 

[KJ]

Look like a dinoflagates.

 

[Gary Ellis]

What to do????

 

[scurvy dawg]

What to do????

Go to the Dino thread that is stickied in the nusiance algae forum.

Good luck............you will need it!