Having coral issues

ksicard

New member
Hello Everyone,
I'm having some issues with my coral that I cannot seem to figure out, so I'm hoping this forum can help me identify my issue. I've been keeping aquariums for about 12-13 years now and I've never had an issue with keeping LPS till recently. My current tank is a 120g DT with a 35g frag tank plumbed to the same sump. I setup the tank in January of 2016. Since January 2017 I've been having issues with a lot of my LPS and the others seem to be doing fine. I had a lot of issues with euphyllia only at first. Every time I would add hammers or frogspawn they would wither away over the course of 4-6 weeks with the exception of my gold torch colony that i've had for 2 years. About 3 weeks ago my gold torch ended up withering away over the course of a few days and now my acans are starting to die as well. I cannot figure out what my issue is and was hoping someone could help me out. I've never had issues like these with LPS over my career of keeping saltwater tanks. The corals that are doing well include softeis, such as zoas, leather corals, and my photosynthetic gorgs, and I have a nice sized lobo and blasto colony that are doing well, as well as my 3 scollymias and some pipe organs.

I just tested my parameters and they came out to be: Mg- 1400ppm, Ca- 425ppm, DKH- 8.45, No3- 25ppm, SG- 1.025, Po4- 0.03ppm, PH- 8.1

I have a LED/T5 hybrid I built over both the display and frag tanks. I get about 75 par on the sandbed and 125-225 on the rocks depending on height. 2 mp40 vortechs for flow, axium x-160 protein skimmer, I dose via a dosing pump, and I have a profilux controller.

I have a solid amount of fish but nothing that would pick at the coral, everything is reef safe.

Please let me know if anyone has any advice on the matter. All my parameters seem to be on point but the issues persist.
 
Well... nitrates at that level certainly is not helping..
get them below 10 and I'd bet you have much better luck..

IMO thats the problem..

You are a bit low on the PAR too IMO but its not terrible..
 
Possible pest... maybe

I don't think the nitrates would do it but would still consider getting those lowered.
 
Having coral issues

Pest or inspect calibration on refractor. Get someone to test water near you. Big water change and watch for pest/fish. Any hungry fish may go and nip. Possible contamination of water on city side. LPS have limited pest, I'd say none but there are some nasty pest unknown. Issue is as coral dies it messes up water quality.


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