smt9595
New Member
My zoas have been closed a couple of days and only some heads opening. I took a closer look and noticed some holes forming. I don’t think they are new heads as I’ve seen baby heads growing on this one? TIA
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Holes in zoa
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It may be a form of melting. infrequent feeding and ultra low nutrient conditions can lead to entire colony meltdowns. The "cheesing out" syndrome can be the result of limited nutrients (Phosphates, Nitrates). Zoanthids need fish poop, dissolved food matter and the resulting nutrients to thrive.
generally, zoanthids can thrive in the same conditions that SPS corals do. Good dissolved organics levels, high light, good nutrient export, low nutrient byproducts like Nitrates and Phosphates. I am not claiming that Zoanthids need the pristine conditions that SPS corals require but they do thrive in similar conditions. However, I have learned from experience that Phosphate levels below .02 can be detrimental to the health of the polyps. Always remember that Nitrogen and Phosphorus are the building blocks for coral life, so zero Nitrate reading or zero Phosphate reading are not a good thing for your aquarium life.
generally, zoanthids can thrive in the same conditions that SPS corals do. Good dissolved organics levels, high light, good nutrient export, low nutrient byproducts like Nitrates and Phosphates. I am not claiming that Zoanthids need the pristine conditions that SPS corals require but they do thrive in similar conditions. However, I have learned from experience that Phosphate levels below .02 can be detrimental to the health of the polyps. Always remember that Nitrogen and Phosphorus are the building blocks for coral life, so zero Nitrate reading or zero Phosphate reading are not a good thing for your aquarium life.
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Maybe melting, but it looks to me more like normal growth/stretching around the features of the rock. The flesh on that colony looks very clean and healthy to me.
smt9595
New Member
Thank you for the replies, I’ll definitely check into the nutrient level.Figured I skipped nitrate test. Here are some pics of the tank. Parameters on Tuesday were
78 F
34.5ppt
460 cal
1600 mag
8.1 alk
.02 phosphate
78 F
34.5ppt
460 cal
1600 mag
8.1 alk
.02 phosphate
Your tank looks fabulous! Are you just using the compartments in the tank for filtration? What do you have in there?Thank you for the replies, I’ll definitely check into the nutrient level.Figured I skipped nitrate test. Here are some pics of the tank. Parameters on Tuesday were
78 F
34.5ppt
460 cal
1600 mag
8.1 alk
.02 phosphate
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