mercredi 9 mars 2016

Sudden Decrease in Tank Health

Hello fellow reefers,
I am stumped. I have recently had a sudden decrease in tank health and was wondering if anyone had an answer to my problem. I had made a water change (10-15%) which seems to have done way more harm than good. I have lost almost all of my zoanthids and irritated my hammer/duncan/lps. I thought my fish were still very healthy until today, I noticed that some of their fins were retreating, but do not look bitten off. I had tested my water and taken it to the LFS for them to test it and found NOTHING wrong with my water parameters. Temperatures and salinity are all in line as well. My tank looks like it is re-cycling somehow and a bunch of cyanobacteria/ algae has started to show up. The tank is 2-3 years old at this point. I have no idea what is wrong? Any input would be helpful! I am new to the forum.


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