As said in the title, four corals are looking rough out of 18 total. A favia and favites, and a monti and acro.
The favia and the monti were placed too high, and turkey basted a little heavily while dealing with a brown algae bloom. Didnt look like cyano, I'm thinking it was diatoms or dinosaurs. Nuisance algae is gone except for tiny patches that are clinging to a couple of montis. The aquaman and devils eye montis are actually some of the happier looking frags in the tank in spite of the algae.
Just got salifert for phos and nitrate. Api readings were way off. I thought we were running clean. Nitrate is 40ppm or so, and phosphate is 0.5ppm.
Curiously, in spite of the high nutrients, nothing is browning out and the chaeto has stopped growing it seems.
The favia and monti were glued way too high in the tank, so I'm not surprised they're struggling.
The favites and the acro were placed sensibly, so those are confusing to me. The favites is growing on one side and receding on the other, regardless of which side gets more light or flow. The acro was two sticks that I accidentally snapped in half. The bigger stalk is looking pretty dead, but the smaller stalk has been exhibiting better color and polyp extension over time.
All but the acro have been dipped in revive and placed on the sandbed to recover. Recession is slow and they're all hanging on, but seeing the tissue recede a tiny bit more every day doesnt inspire confidence.
What confuses me is that even though these numbers are high, only 20% of the corals are exhibiting any signs of poor health, and the symptoms were seeing arent traditionally a consequence of high nutrients (which will be corrected with WCs).
I've verified the temperature is within range using another thermometer (temp in the DT is 76 / 77, a hair below the sepoint of 78).
Sg is 1.025
Alk is 10, Ca is 430, Mg is 1350.
700 gph flow provided by return pump blowing opposite an mp40 running gyre at 30%.
Any suggestions for factors that may explain the poor health of these corals, but none of the others?
Thanks!
The favia and the monti were placed too high, and turkey basted a little heavily while dealing with a brown algae bloom. Didnt look like cyano, I'm thinking it was diatoms or dinosaurs. Nuisance algae is gone except for tiny patches that are clinging to a couple of montis. The aquaman and devils eye montis are actually some of the happier looking frags in the tank in spite of the algae.
Just got salifert for phos and nitrate. Api readings were way off. I thought we were running clean. Nitrate is 40ppm or so, and phosphate is 0.5ppm.
Curiously, in spite of the high nutrients, nothing is browning out and the chaeto has stopped growing it seems.
The favia and monti were glued way too high in the tank, so I'm not surprised they're struggling.
The favites and the acro were placed sensibly, so those are confusing to me. The favites is growing on one side and receding on the other, regardless of which side gets more light or flow. The acro was two sticks that I accidentally snapped in half. The bigger stalk is looking pretty dead, but the smaller stalk has been exhibiting better color and polyp extension over time.
All but the acro have been dipped in revive and placed on the sandbed to recover. Recession is slow and they're all hanging on, but seeing the tissue recede a tiny bit more every day doesnt inspire confidence.
What confuses me is that even though these numbers are high, only 20% of the corals are exhibiting any signs of poor health, and the symptoms were seeing arent traditionally a consequence of high nutrients (which will be corrected with WCs).
I've verified the temperature is within range using another thermometer (temp in the DT is 76 / 77, a hair below the sepoint of 78).
Sg is 1.025
Alk is 10, Ca is 430, Mg is 1350.
700 gph flow provided by return pump blowing opposite an mp40 running gyre at 30%.
Any suggestions for factors that may explain the poor health of these corals, but none of the others?
Thanks!
