Hammer coral doesn't open well and grey spots

[puks]

Hi guys,

My hammer corral doesn't open as before. I started to feed him every day that stopped a little bit this but still it's not as good as before.

I also see some spots on other corals. The spots are not static if comparing images 68 and 71 (done on the next day).

Thanks for any advises.

 

[lhm nole]

Looks like flatworms..

 

[puks]

Are they bad?

 

[ItzJustinN]

+1 to the flatworms, and they are definitely bad.

i would suggest a lugols dip on the coral to try and kill as many flatworms as possible.
you should probably check into a product like flatworm exit also.
do research first so you dont kill your tank using one of these products.

 

[puks]

I've researched about Salifert and it looks good if you follow the instruction

 

[puks]

Thanks guys.

Applied Salifert Flatworm eXit this Monday and dipped some corals. Most corals feel better. Will see if the hammer is recovered.

Should I apply SFE several times?

 

[ThisGuy12]

What is your ammonia level in the tank (if any) corals will close up if ammonia starts to spike.

 

[puks]

Ammonia is 0