gha algea

I’m looking into doing a 3 day black out to try and help with hair algae. I have corals and 1 anemone in the tank. Does blackout mean all lights off for 3 days or just on a low setting?

Any advice as I feel like I’m fighting a loosing battle…. As you can see from the pictures I have a pretty bad GHA problem. It has been like this for a few months now (maybe longer) I’m picking out clumps weekly but it just keeps growing back, most of it is to small to grab with my fingers and...

I have come to the conclusion that I think my two year battle with what is either gha or turf algae is because of leaching phosphates from the rocks. When I started the tank I used brand new macro rock and I have heard that it can leach phosphates that lead to algae. I have no algae anywhere but...