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- May 23, 2020
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I can keep acros all day long but this zoa will be the death of me. I have had this stratospher zoa for near 7 months and it was initially doing fine, actually grew two new heads relatively quickly. However over the past two months or some it has looks unhappy. Not opening all the way and its edges look curled when it is open. I moved it to lower light where it is now and no change.
I have many other zoas that are happy and wide open including ones at the same light level.
Nothing as far as equipment or parameters has changed in several months. I have several acros, a few clams, and many other corals in the tank that are doing good and growing well. It seems to just be this zoa this is unhappy.
Parameters:
Salinity: 1.026
Alk: 7.8dkh
Ca: 420
Mg: 1370
Nitrate: 11
Phosphate: 0.08
Temp: 78-79
pH: 8.20-8.40ish I don’t usually see swings lower or higher than this from night to day. I have an apex, and a Milwaukee pH monitor and use kalk to help elevate suppressed pH at night.
Lighting I have 3 AI primes over a 40 breeder tank.
Good but not too strong of flow
I do weekly water changes of 20%
(I intentionally keep my alk between 7.5-8.0dkh, and this has not changed since the zoa was doing fine)
The aptasis are feeding my attempts at raising Berghia nudibranch up large enough to start breeding
I have many other zoas that are happy and wide open including ones at the same light level.
Nothing as far as equipment or parameters has changed in several months. I have several acros, a few clams, and many other corals in the tank that are doing good and growing well. It seems to just be this zoa this is unhappy.
Parameters:
Salinity: 1.026
Alk: 7.8dkh
Ca: 420
Mg: 1370
Nitrate: 11
Phosphate: 0.08
Temp: 78-79
pH: 8.20-8.40ish I don’t usually see swings lower or higher than this from night to day. I have an apex, and a Milwaukee pH monitor and use kalk to help elevate suppressed pH at night.
Lighting I have 3 AI primes over a 40 breeder tank.
Good but not too strong of flow
I do weekly water changes of 20%
(I intentionally keep my alk between 7.5-8.0dkh, and this has not changed since the zoa was doing fine)
The aptasis are feeding my attempts at raising Berghia nudibranch up large enough to start breeding
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