Major zoa problems

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#1
Was a member here 7 or so years ago and back in the reef game.

Anyways i started a 29 biocube and couldnt be happier being a reefer again. However i cant seem to keep zoas alive like before. Tank has completed 3 month cycle and water perams are as follows.

Nitrate/nitrite/amonia 0/0/0
Ph 8.4
Phos 0
Alk. 3.2
Bi-weekly 10G water changes using reef crystals

My Acan Lord and Cyphatrea are happy as clams ( pun intended) zoas will not open nor will palys however my very large protopaly is open and happy being fed.

Any help very greatly appreciated
 
#3
Salinity 1.025 tested with refactometer
Water temp 78
Dont have calcium test kit also do not dose for it
Water flow i would say is medium compared to my past sps tank.

Alk was a huge typo and i apologize actual is 8.3 dkh. Dont know how i screwed that up so bad.

Did a 50% water change in hopes it was an irratant but only my acan enjoyed that.
 
#5
Lighting is stock 36W pc 2 bulb 1 full actinic and 1 10k.

Ive got them to open a little so they show color but nothing more also My palys have opened and are very very happy since doing a 50% WC which i knownisnt ideal but my Acan and meteorshower are super happy and zoas just seem to be teasing me lol.
 
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