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Old 01/11/2008, 02:49 PM   #1
MMM33732
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Cursed

For some reason, any time I've added pulsating xenia, kenya, colt, or toadstools to my tank, they've melted away within a few days. I have no problems at all keeping rics, various shrooms, gsp, zoas, sea mats, button polyps, pagoda cup, sun coral, candy cane. The tank is a 55g with 2 175w mh's and 80w of normal output actinics. Parameters are:
Temp: 76-80
SG: 1.025
Ph: 8.2-8.3
Alk: 9 dkh
Cal: 460
Amm: 0
Nitrite: 0
Nitrate: 0-5
Phos: (Test kit is not readable, but there is hair algae in the tank. Cheato is being grown as well as the recent addition of phosban)

Any ideas?


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Old 01/11/2008, 03:52 PM   #2
DanInSD
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I had a "death tank" that I tracked down to a cracked heater leaching heavy metals into the water. My results were very much like yours. All tests were fine, even tried a copper test, which didn't register at all. However, it takes very, very little metal contamination to kill soft corals!

You're not going to like my solution. I did a complete (and expensive!) teardown, throwing away all rock, powerheads, heater, media, sediment... I kept the tank, lights, skimmer body, HOT filter, and that's about it. Started clean over. Now everything grows like a weed (especially Bryopsis; wait, that *is* a weed...).

Dan


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Old 01/11/2008, 05:09 PM   #3
MMM33732
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I have also done a copper test as well, and results are 0. I've been dosing iron for about 3 weeks now to help get the cheato growing more. I had this issue before that was started though. I run carbon 24/7 and change it every 2 weeks. Shouldn't that help absorb any possible metal in the water? I also use RODI water too by the way.


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Old 01/11/2008, 05:55 PM   #4
lancer99
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MMM,
How much flow do you have in your tank? All of the species you've had success with like (or will tolerate) low flow.

Another possibility is that the ones you're not having luck with might need higher nutrients....maybe over-skimming?

Having said that, Colt and Kenya are pretty bullet-proof....

-R


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Old 01/11/2008, 08:54 PM   #5
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I doubt I'm over skimming. Its only a Jebo skimmer I modified. Either way, it only pulls about 1/2-3/4 or so of wet skimmate a week. I also feed micro vert and feel sometimes I overfeed as I'm slightly overstocked. Flow is actually on the low end throughout most of the tank. I tried them all in various flow areas though, and all failed even in medium and high flow. The colts and toadstools that died were shipped 2-3 day with a heat pack in the cold, but the pack was not warm upon arrival, so that may have been the issue with them perhaps. The kenyas and xenias, I have no idea.


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Old 01/11/2008, 08:57 PM   #6
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I would not dose any metal into a reef.

All the corals you name as dying are softies: your lights and calcium are friendly to stony corals like your candycane, but many softies don't like mh light.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, chromis, royal gramma basslet, tailspot blenny, ocellaris clown, yellow watchman, chestnut turbo snails, bristleworms, couple of hermits.
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Old 01/11/2008, 10:42 PM   #7
MMM33732
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I know its not the lights because I only recently switched to the halides. I had pc's and I still had this issue. Same with the iron dosing. I had this problem before and after. The iron I'm using is Kent Marine super chelated iron. It says "Macro-algae supplement with manganese for reef type marine aquariums" "Provides bio-available iron, manganese and other micronutrients to spur macro-algae growth. Useful for caulerpa and all calcareous algae. Benefits symbiotic algae in coral tissue."


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Old 01/12/2008, 01:07 AM   #8
DanInSD
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Funny that you say Kenya trees are "bulletproof". I can't grow them. Everything else (xenia, mushrooms, leathers, LPS, you name it). I've owned two Kenya trees and they have "melted" within weeks.

"To each their own" I guess

Dan


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Old 01/18/2008, 09:37 PM   #9
MMM33732
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Any more ideas on what could be wrong?


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Old 01/19/2008, 10:07 PM   #10
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How are you mesuring your SG, I have xenia for about 4 years now and last year I had a 90% die off my SG was low .022+/-, I had a slow leak, I was skimming wet and I didn't check SG for a few months. The auto top off just kept adding fresh water. Nothing else seemed to be too stressed.
Also I don't dose anything just kalk for the top off and water changes, my cheato grows fine without adding anything. I have a mixed reef soft, LPS , SPS, Clams.. etc.
You might want to stop dosing and try again. If you were in FL you can have some xenia, toad and kenya I have enought of them.
Good luck


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2 yellows tail damsels, yellow watchman goby, tail spot blennie, purple pseudocromis, starry blennie, 2 clowns, 1 black clown, mandarine & Yellow tang

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Old 01/20/2008, 05:38 AM   #11
dendro982
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Dan, did you tried Kent Toxic Metals Sponge?

About Kenya tree: there are two different corals, coming with the same name, the brownish, almost transparent, elongated is reliable.

MMM33732: may some chemicals warfare - frequently changed carbon could help.

I had only two cases of meltdown withing hours:
- hairy mushrooms - right after introduction, save the last one, moving it in another tank;
- white xenia and antelia - after changing the salt mix to Oceanic. Stopped it use, did water changes with other salt mix, but it was too late. Could be coincidence.

Strange things happen.


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Multiple Tank Syndrome:
15g shallow hi light - Xmas tree rocks, nps, sps, clams
6g shallow dark - sun corals collection
5g - sea apples
NC12 - tube anemone
20g L - frogfish
125g - filefishes and lion

Current Tank Info: 6 BB tanks: NPS, filter feeders and odd fish. LPS, sps and clams too
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Old 01/20/2008, 01:15 PM   #12
DanInSD
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I didn't try any products other than PolyFilter. I never exactly isolated the problem, just noticed a tiny crack in the heater and assumed. In any case, the new tank is happy (except for a bryopsis outbreak).

Dan


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Old 01/20/2008, 07:37 PM   #13
dendro982
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Thanks!


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Multiple Tank Syndrome:
15g shallow hi light - Xmas tree rocks, nps, sps, clams
6g shallow dark - sun corals collection
5g - sea apples
NC12 - tube anemone
20g L - frogfish
125g - filefishes and lion

Current Tank Info: 6 BB tanks: NPS, filter feeders and odd fish. LPS, sps and clams too
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