Hammer corals

[Ipyloves]

Does anyone know why this is like this? It has been a few weeks like this.

This picture is while everyone is closed before the lights are on but the hammer has good color and fills up nice when it opens but i can see something going on in the middle

 

[Tikki]

Hard to tell from the picture but is it just its mouth?

 

[Ipyloves]

I think so. Its so hard to tell. Its still coming out full everyday

 

[JTP424]

If it's not shrinking I'd think it's probably ok, if it's an irritant or an issue I don't think it would inflate...

 

[kevgib67]

I have trouble seeing as well but mine forms a bubble in the middle when it’s splitting.

 

[vetteguy53081]

Does anyone know why this is like this? It has been a few weeks like this.

This picture is while everyone is closed before the lights are on but the hammer has good color and fills up nice when it opens but i can see something going on in the middle

This is tissue recession and often due to stress - Not bailout. What are stressors?
Hammers are intolerant to major swings in water quality, and sensitive to almost any level of copper in the water especially if any tap water was added. Calcium and alk are important parameters that will affect their growth and this coral will start to die off if calcium levels are too low which should be about 400 ppm.
Basically, avoid bright light and water flow and dark lighting. Bright lights cause bleaching and low lighting will cause them to shrink and starve. Maintain moderate light for their photosynthesis and keep it off the sand bed which sand can irritate it.
I suspect your Po4 if accurate is causing issues

 

[Ipyloves]

 

[Ipyloves]

This is a normal top down during the day.

 

[Mr. Mojo Rising]

Is that a nighttime picture? Corals normally close up or shrink at night.

 

[Gumbies R Us]

We need more info on your tank

Parameters?

How old is your tank?

How long has the coral been in there?

How does it look during the day?

Flow and lights?

 

[Ipyloves]

9alk
Ph 8.1
Cal 502 - little high
Nitrate 6.1
Phos .14
Mag is testing saying low but i dont understand how unless my corals use a ton.
Flow is great. I have lots and random that seems to work for everyone

Par 110 at the hammer garden

 

[Ipyloves]

Tank is 8 months old

The first picture is at night the second is during the day. It is the orange hammer. You can see its middle bubble in both pics

 

[Ipyloves]

 

[Ipyloves]

 

[Ipyloves]

 

[Ipyloves]

These are all before the lights come on