Help!

[Tabitha]

We bough some new corals on Wednesday and this morning I woke up to the zoas still not open and shrinking, and the Milliepora completely bleached and expelling all its zooxanthelli. We have a total of eight other frags that are doing fine, showing no signs of stress (frogspawn, blasto, gsp, montipora, aussie dendro). Testing and doing an emergency water change right now. I will update with parameters shortly. Please help!

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[Josh]

its not uncommon for zoa's to stay closed up for upto 2-3 weeks while they acclimate to the new water and light levels, try moving them into a shaded area and if they open then that means your light is a bit too intense.

 

[kapelan]

how old is the tank?

 

[Tabitha]

its not uncommon for zoa's to stay closed up for upto 2-3 weeks while they acclimate to the new water and light levels, try moving them into a shaded area and if they open then that means your light is a bit too intense.

Thanks, I moved the one colony down this morning after I posted. Still closed. But they say patience is the key.

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[Tabitha]

how old is the tank?

8 months old. But we put a new sump in 5 months ago.

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[Tabitha]

Did a very small water change. Here are my parameters. Salinity 1.027 - KH 161.1ppm - Ammonia 0ppm - Phosphate 0ppm - Ph 8 - Nitrate 5.0 ppm - Calcium 520 ppm . Oh and the tank is 120 gallon, with a unknown amount of sump with refugium. Adding a protien skimmer soon. Noticed the nitrate is down from last week and so is Kh.

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[Josh]

salinity bit high, some coral shops run at 1.022-1.023 to save on salt (maybe other reasons too) could be angry about that as well.

 

[Tabitha]

salinity bit high, some coral shops run at 1.022-1.023 to save on salt (maybe other reasons too) could be angry about that as well.

That's very true. We are living in a crazy battle of ever rising salinity, evaporation is our enemy. I add 2.5 gallons of RO water everyday.

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[BonnieC]

That's very true. We are living in a crazy battle of ever rising salinity, evaporation is our enemy. I add 2.5 gallons of RO water everyday.

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Have you looked into an ATO (auto top off)? I think it’s a great investment. You could use something as simple as an aqua lifter on a timer.


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[Tabitha]

Have you looked into an ATO (auto top off)? I think it’s a great investment. You could use something as simple as an aqua lifter on a timer.


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We can't afford it just now. But it is definitely in the upgrade list

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[Kevin Tran]

salinity bit high, some coral shops run at 1.022-1.023 to save on salt (maybe other reasons too) could be angry about that as well.

I keep my at 1.025-1.026, it have a bit of flexibility and I think most guy on here would agree. Also have their salinity at 1.025-1.026 too

 

[Tabitha]

I keep my at 1.025-1.026, it have a bit of flexibility and I think most guy on here would agree. Also have their salinity at 1.025-1.026 too

Totally. Thats what we aim for.

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[Tabitha]

Hey everyone! Thank you so much for your suggestions and advice. Our salt as been steady 1.026 for a week now with the all the corals looking healthy and happy... Except for the zoas... I have no idea what we are doing wrong. Should we move them to a more mid level lighting area again? Our nutrients are still the same and we have a protien skimmer in now. Running fine. Any more advice??? Help please, they look like they are melting!

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[Tabitha]

Here are some pictures of their placemtnt. The last picture is for scale. Please help!

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