Corals dying!

[Coleb]

So last week I bought a clam and a led strip light. I also moved my rocks around a little to make some more room. Since then my corals have slowly began to die off. My hammer coral and frogspawn heads just fell off and my brain coral isn't looking the best it has. Does anyone have any ideas what it could be or anything to help my corals?

 

[Coleb]

Here's some pictures

 

[Bokevince]

Alk?
Low alk did the same to mine

 

[Coleb]

Can't get a good picture but the heads are just disconnecting from the stalk.

this is the best pic I could get

 

[Tahoe61]

It's called Polyp Bail Out. Euphyllias bail when stressed, typically the cause is water chemistry. Trouble shoot your chemistry, namely alk, ca, mag and specific gravity. Do the basic chemistry checks for ammonia, nitrates and phosphates first.

 

[YoCamron]

seems like you have some cyano bacteria so your water paremeters are most likely off. check your nitrites, nitrates, and ammonia. it could also be your calcium or alkalinity levels, so test those to. some of your corals look like they may have deattached from being stressed. best of luck to you