Ok, so up until recently everything has been thriving in my tank, today I did a water change even though I had no detectable levels, I'm very lightly stocked two small clowns and a small yellow tang. I do have a few corals, frogspawn, a Duncan, zoas, Xenia, acan, tyree toad stool, green hynaphoria and two unknown pieces of Sps
that I was given to test out by a local member of my reef club
All of these are still doing great I was getting polup extension out of everything until three days ago,
All at once my frogspawn, Duncan, Xenia and toadstool closed up and stopped putting out their polups. The frogspawn is starting to bounce back, about half the extension that it had and one of the Duncan heads opened up.
The only thing that I changed was putting Chaeto and a light over my sump.
Readings are all exactly the same as above except my ph is 7.81 now
Does anyone have any ideas on what could have caused this or what could be happening? I am completely stumped but I did the fail safe water change either way
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