My hammer is closed up today

In my experience with Euphyllia corals, which is the family of the Hammer, they are very sensitive to ALK and Temp swings. Having said that, your ALK seems low for Euphyllias.

I keep mine closer to 9 or even a bit above. I'm not saying that this is the issue, you could have other problems like large temp swings during the day or not proper lighting, but with the information provided, I can only recommend what I see as the issue to me.
 
Webmanny said:
In my experience with Euphyllia corals, which is the family of the Hammer, they are very sensitive to ALK and Temp swings. Having said that, your ALK seems low for Euphyllias.

I keep mine closer to 9 or even a bit above. I'm not saying that this is the issue, you could have other problems like large temp swings during the day or not proper lighting, but with the information provided, I can only recommend what I see as the issue to me.
Click to expand...

I think you might be right- my alk has been steadily dropping- it was 9-8s

I am back to 9-10 and it already looks like he is going to fully spread today. Also last night he had that big bubble that I think means it is splitting.

I will run the full test tonight, but post water change I was 9.8 ALK, 1340 mg, and 400 Cal. I also was 0 on phosphates. That said I don't trust that 0 from a standpoint I think I may have algae using it up.

Temp has been pretty steady at 78.5
 
I need to not be lazy this week about testing and really dial in my dosing schedule, and determine usage etc. I need to stop the swings.
 
I thought Euphyllia were one of the easiest corals to take care of?

And that if you bought a quality coral salt, like Red Sea Coral salt - you really didn't need to worry about ALK, mg, and Cal. all that much?
 
Euphyllia are one of the easiest corals to take care of, I was talking about WALL type Euphyllia. Most you will come across are the branching type, again WALL Euphyllia are not and you are lucky to get them to live past 8-12 weeks, IF they've been fragged before you get them.

But no matter the type you need to keep stable parameters for all corals to really thrive.
 
Dkuhlmann said:
Euphyllia are one of the easiest corals to take care of, I was talking about WALL type Euphyllia. Most you will come across are the branching type, again WALL Euphyllia are not and you are lucky to get them to live past 8-12 weeks, IF they've been fragged before you get them.

But no matter the type you need to keep stable parameters for all corals to really thrive.
Click to expand...

the walls don't branch right- it looks like when they are closed it is almost like a clam shape alittle?
 
Here is a good example of the wall hammer type and I agree, they are a bear to keep. The main reason is infection at the frag cut site. Since this is a "wall" i.e. all tissue is connected, it is very simple for bacteria to spread. In the branching type of hammer, the infection is limited to a branch and the rest of the coral has a chance to survive.

<img src="http://reefcorner.com/wp-content/uploads/Euphyllia-ancora-Wall-Skeleton-Structure.jpg" alt=" " height="600" width="800">

In this video, BRS talks more about the difference between branching vs wall LPS corals. Good watch IMO.

<iframe width="560" height="315" src="https://www.youtube.com/embed/I3mDwB_8v0U" frameborder="0" allowfullscreen></iframe>
 
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