Corals looking rough

[dabob79]

Ok I'm scratching my head on this one. Over the last few weeks a couple of my zoas have not been opening all the way, and today I noticed my Frogspawn isn't looking so hot. Everything else in the tank looks great, new growth and good polyp extension on my SPS, utter chaos zoas look great, acans look great. SG is 1.026, Alk is right around 9, Calcium is 420, ammonia and nitrites are 0, nitrates around 20. Attached are some pics to show how things look. Any ideas?

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[Pife]

Did you add anything fish inverts or additives or switch food 2 weeks ago?

 

[dabob79]

Corals looking rough

Did you add anything fish inverts or additives or switch food 2 weeks ago?

No, that's what's puzzling me. I haven't changed anything in a couple months


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[cyricdark]

Watch your clowns they could be trying to host in the zoas which will make them close up. No idea on the frogspawn, other than I just lost a frag of the toxic green as well, kinda the same deal it looked great for few weeks then withered away to nothing, weird thing is I have some pink/orange frogspawn 4-5 inches away doing great, getting new heads all that. Only thing I can figure is maybe the green is more susceptible to Coral warfare, as it was closer to some yellow polyps.

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[dabob79]

Watch your clowns they could be trying to host in the zoas which will make them close up. No idea on the frogspawn, other than I just lost a frag of the toxic green as well, kinda the same deal it looked great for few weeks then withered away to nothing, weird thing is I have some pink/orange frogspawn 4-5 inches away doing great, getting new heads all that. Only thing I can figure is maybe the green is more susceptible to Coral warfare, as it was closer to some yellow polyps.

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Yeah I've had this Frogspawn for months with no problem, so I'm confused as to what is causing this now.


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[Pife]

I'd do several large water changes and run some carbon.

 

[dabob79]

I'd do several large water changes and run some carbon.

I've done a few water changes over the last week, and I always have carbon running. I guess I could change it out and do another water change.


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[pepino]

What test kit Are u using? everytime something like that happened w my lps was cause my alk ir cal were low

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[dabob79]

What test kit Are u using? everytime something like that happened w my lps was cause my alk ir cal were low

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I use a Red Sea kit for all the standard stuff, my Magnesium kit is Salifert, and Calcium is Nyos. I tested again last night and notice my Calcium was a bit high at 480, and Alk was a little low. I added some buffer and I'm doing a water change this evening, then I'll do another water change tomorrow and see what that does.


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[smoothdog]

The question now is WHY did your calcium and alk change so quickly? Does your water change water match the params of your tank water? If not, you could be throwing off the balance of your tank. Massive water changes with out of spec water can do more harm than good. Might be a good idea to take a water sample to the lfs and check results against your kit to be sure your kit is still accurate.

 

[Alex3344]

I also think that running some carbon can help.

 

[Pife]

Any updates?