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#1
11-04-2010, 12:27 AM
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Could you post your paramter?
I'm kidding! People do it to me all the time (Me:"Params are on spot, don't ask"... people: "can you post your params?"... Me: "*&$%") Are you running a low nutrient system? While I run close to that I personally believe that they make coral health very unstable as you are essentially starving them. This makes them pretty susceptable to pretty much anything and without the energy to fight it they collapse pretty quickly. RTN seems to be pretty common amoung ULN systems. If you aren't running ULNS I'm going to guess chemical warfare maybe? What else do you have in the tank? I had the same issue this summer, particularly my birdsnest. The birdsnest got the ol' dreaded white band at the base and I tried for months to fight it off but it was just teetering. Around this time I had frags and other colonies start to do the same thing. I finally caved in and fragged up the birdsnest and got rid of the dying areas. The instant I did that EVERYTHING perked up and all STN stopped and went away. Could there be one colony in your tank that is triggering it in all the others? 
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#4
11-05-2010, 01:25 AM
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Quote:
__________________
 Setup: 180G DT, 105G Refuge (approx. 300lbs LR, 150lbs Aragonite) Hardware: Super Reef Octopus SSS-3000, Tunze ATO, Mag 18 return, 2x MP40W, 2X Koralia 4's Wavemaker Lighting: 5ft Hamilton Belize Sun (2x250W MH, 2X80W T5HO) Type of Aquarium: mixed reef (SPS & LPS) with fish Dosing: Mg, Ca, Alk
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#5
11-04-2010, 02:47 AM
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Interesting. I find sps to be the toughest things I have ever had. I can lose xenia or zoanthids for no reason but those sps I have never seem to be affected by anything and they grow fast. I don't have a lot of flow and I feed a lot of coral food each day. hmmm... Nitrates and phosphates are at 0 though because of lots of micro-algae.
I had no idea sps could starve to death because they are photosynthetic. Mine even grow new tissue as new when some part die from toutching another sps. Mine seem to like the lower temperature I keep in my tank, at 76F. Quote:
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#6
11-04-2010, 02:53 AM
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I feel your pain dude I am having the same thing happening to me. Parameters bang on corals i have had for a year survived a crash and boom gone in a day. Its weird something i would also like to figure out makes this so frustrating.
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360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras 360 Reef Tank
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#7
11-04-2010, 10:18 PM
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Kien you save me the hassle of posting every freaking time! Ya pretty much what he said and it's for those reason's I cut back my SPS completely, just got tired of loosing things and not knowing the reason.
Good luck either way Rick, I understand your pain and frustration.
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#8
11-04-2010, 03:20 AM
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Quote:
(Think of non-photosynthetic corals) Mitch
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#9
11-04-2010, 03:41 AM
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You may be running to many bio-pellets, I have found that they work well on tanks with a nutrient problem. I run them on my softie tank with great results, but took them off my sps tank as they were causing stn and rtn of my sps. This all stoped with days of removing the pellets from that system.
I also think less is more when dealing with the bio-pellets. I run half of what they recomend on my tank, The cheato is still growing(with a little die off when adding new pellets), this just means that I add more on a more frequent basis. You could try feeding the pellets as you would with zeolites. I have found that the pellets need lots of food to work well. Just my two cents, hope this helps.
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