I have a 300g display with 400g of total system volume. I have a mixed reef, and lately my sps corals have been on a rollercoaster ride of good to bad, good to bad. By bad I mean they lose color, tissue (some lose most tissue, most of them lose a little around the base where there is no light). Anyways, this has been going on for a few months now and I'm wondering if my bioload is the cause. I have 5 full grown tangs, 2 rabbitfish, an emperor angel, a large tomato clown, saddleback butterfly, 3 dwarf angels, mandarin, and few chromis. When I do a couple water changes in succession the problem seems to subside for a week, but if I miss a weekly water change all hell seems to break loose.
Now, I should mention that my chiller was down for 2 months recently, but tank never got above 84 during the day. Also I had a kalkwasser issue when I was on vacation that nuked some sps. So suffice it to say that they've been somewhat stressed through that, but nothing I thought that would kill them. Now it's just an ugly back and forth.
If it is the heavy bioload, what can be done about it other than removing fish? I have a refugium that just cranks out macro algae, I have a DSB, plenty of live rock, appropriate skimmer, GFO and carbon running...10% weekly water changes. I just cant figure out whats been going on. Please help
Now, I should mention that my chiller was down for 2 months recently, but tank never got above 84 during the day. Also I had a kalkwasser issue when I was on vacation that nuked some sps. So suffice it to say that they've been somewhat stressed through that, but nothing I thought that would kill them. Now it's just an ugly back and forth.
If it is the heavy bioload, what can be done about it other than removing fish? I have a refugium that just cranks out macro algae, I have a DSB, plenty of live rock, appropriate skimmer, GFO and carbon running...10% weekly water changes. I just cant figure out whats been going on. Please help
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