Hammer coral not extending around edges

cdstanley0123

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Hi all,

I was wondering if you can help me. I added this branching hammer frag 5 days ago and over the past couple of days the polyps around the edges don’t seem to be puffing up and look deflated

My current parameters are

Salinity 1.025
Temp 25.2 to 25.5 fluctuating
Alk 8
Calcium 432
Magnesium 1410
Nitrate between 5 and 10
Ph 8
Phosphate 0.02


20251210_104138_AC7ECCD3-B621-45F8-B71C-7CEA1702141F.png

20251210_104138_FB428B69-C3FF-492F-96E7-CCF14006E8DD.png

20251210_104138_B9D794EB-022C-401C-83C5-5DDBDBDB4705.png
 
5 days is a very short time for a coral to acclimate to a new tank. With that said, ensure its getting enough light and flow, it kind of looks like its in a shaded spot at the moment (but it might be just the picture angle)
 
Do you have any other LPS corals in your tank? How are they doing?

I would try and move it to where it is getting more light and better flow and see how it does there.
 
Give it time. I’ve found hammers tend to sulk for a bit. Make sure the flow is decent but not too heavy and as it acclimated it will open more!
 
Hi all,

I was wondering if you can help me. I added this branching hammer frag 5 days ago and over the past couple of days the polyps around the edges don’t seem to be puffing up and look deflated

My current parameters are

Salinity 1.025
Temp 25.2 to 25.5 fluctuating
Alk 8
Calcium 432
Magnesium 1410
Nitrate between 5 and 10
Ph 8
Phosphate 0.02


20251210_104138_AC7ECCD3-B621-45F8-B71C-7CEA1702141F.png

20251210_104138_FB428B69-C3FF-492F-96E7-CCF14006E8DD.png

20251210_104138_B9D794EB-022C-401C-83C5-5DDBDBDB4705.png
Looks ok to me. Most likely still acclimating to your tank. What other corals do you have and how are they doing?
 

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