Crash in progress

thabizness

New member
I am in the middle of a tank crash and wondering if there is anything I can do about it. Most recent tests yesterday evening show Am0, pH8.2, kH10, Nrate0, Cal460, Mg 1470. Tank has been setup since Oct 2012 with a move in Feb.

Tank a 75g/20g sump w/ skimmer mixed with primarly LPS. Torches, Frogspawn, hammers, acans, zoas, Xenia, toadstool, gsp, trumpet, and duncan. I have two clowns and a mel wrasse.

I fragged off a small piece of the Xenia colony last week and placed on frag plug. Friday I added a BTA - everything looked good except for the Xenia frag which died.

Friday night the BTA had expanded on the back wall as it was trying to find a new home. I covered the MP40 so it wont get turned to soup.

Sat my LPS with tentacles (frogs, hammer, torches) all looked distressed. Tentacles where not extened and they just looked looked off. Zoas partially closed.

Sunday the tentacled LPS had these smaller white lines coming from them. Looks like when a mushroom is angry but instead of black it was white, Never seen this. The skeletons where starting to bleach white.

Monday the tentacles had looked like they had fallen off and melted away. The skeletons had turned from its normal brown or colored appearance to bleach white areas. The LPS will look depressed in the light but at lights out puff up minus tentacles. At times they will still ooze the white strings but not as much as most of the flesh is either gone or in skeleton. Its not like brown jelly as I have seen that. The flesh doesn't turn brown... Turns to a more white jelly...

Sunday I changed 10G and Monday changed 5 gallons. I dipped the LPS in a Seachem Reef Dip solution for 10 min. I am running carbon in a bag at the skimmer output.

At this point the zoas are half open and half closed open. The duncan is closed but has tentacles still. The trumpet is skeleton, most the other LPS are skeleton or close. The toadstool has not opened since Friday. 4/7 of my acan colonies are looking good. The Xenia mother colony is pulsing away. The water is clear and the skimmer is pulling normally. I have not seen the BTA since Friday night. I supposed he is dead but I would expect to see his body or at least some flesh somewhere. The fish are swimming around normally and the wrasse even buries himself in the sand like clockwork. The cleaner shrimp is still alive too...

Thoughts on what this is? Sorry for the book but I wanted to include as much details as possible. Anyone seen a response from LPS like this? I have seen brown jelly but this is different.
 
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Do you have another tank? I would suggest that you fill up the separate tank with freshly mixed salt water, take out as much as you can and put it into that tank, or maybe the things you want to save.

Then do a big water change in the main tank. 50% if you can. Run carbon. Then return the corals to the tank. I only recommend taking them out of the tank, because I know big water changes can be pretty messy and can take a while. You can also take apart your aquascape and find that nem.
 
I ripped apart my rock work to find my RBTA. The good news is that I found him alive and well at the base of a live rock mountain I have built up as my rock work... I put him in a open container inside the tank with a piece of live rock rubble to keep a eye on him. I hope he attaches to that. The bad news is once you change your rock work - its never the same so my tank looks different. While moving rocks around a rock fell and cut one of the heads of my duncan. It had about 6 heads. I am concerned about how the colony will heal and respond. Its one of the few LPS that have not loss flesh.

Since I know its not a nuke from a RBTA the question is what caused the downfall of the the LPS? Why is its flesh doing this? Once again it doesn't seem like brown jelly.
 
Just a guess & I don't keep softies or nems:

But is it possible that the BTA, while moving around, stressed the softies to the extent that they gave off toxins? Don't nems sting? Could he have gone on a stinging jag as he toured your tank? It seems the nem has to be the culprit in one way or another based on your story. I hope you can work things out & your corals can recover to the extent possible.
 
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