So the last couple days my corals have been less than their best and I did a 20% water change two days ago and it helped a little, but now there is this stringy algae that I found is called dinoflagellates or calothrix all over some of the rocks and corals. I've tried just blowing the algae off the corals but it is back a couple hours later. I tested my levels and found out I have high PH at least 8.6 it was off the scale and ALK was low, around 1.7, so I dosed some ALK a few min ago to try and get that back up. I have a TON of macro in the tank and I think my skimmer is working right, but it has been on the fritz so I'll check it again.
My question is should I do something to lower the PH like dose vinegar? Should I limit my lighting to "starve it out"? Any help is appreciated. Pics below...
Edited by CrimsRayne - July 18 2012 at 6:50pm
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