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Old 09-10-2012, 02:44 PM   #41
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We had TERRIBLE luck with Red Sea salt a few years back (not the Coral Pro, though). It didn't kill our corals, but caused such a ridiculous explosion of algae growth that we were barely able to get it under control. We liked Oceanic and Aquavitro Salinity and didn't have any trouble with those. Just grasping at straws here.

Also, I'm assuming that you have checked your RO/DI water with a TDS meter, just in case?
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Old 09-10-2012, 03:31 PM   #42
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Sounds like you may have multiple issues. Since the lights are apparently so strong, one of the things I would suggest is a significant acclimiation perior any time you purchase a coral. Buy some fiberglass screen and cut three sheets to the size of your aquarium top. Any time you purchase a new coral, place all three sheets on top of the aquarium (plenty of light will still get through). After a couple days to a week, remove one of the sheets, another couple days to a week remove the next sheet, and after another couple days to a week remove the last sheet. This will give your coral plenty of time to light acclimate.

When you drip acclimate for 1 to 1.5 hours, what are you doing to ensure that temperature stays high, and where are you dripping to? corals could be suffering from low temperature or from being exposed to too much light when you are dripping. Are you temperature acclimating prior to dripping? If so are you doing so under full lighting or how are you doing it.

What about your flow? How much flow do you have moving through the system? Both zoas and xenia prefer higher flow rates. When you say that nutrient levels are a zero, how are you accomplishing this? Both zoas and xenia use nutrients, so they prefer to have some present in the water. Zero nitrates can cause both types of corals to decline.

How often are you doing water changes? I founds that zoas in particular did much better when I was doing frequent, large scale water changes (50% daily or weekly). I suspect the depletion of some trace element that we don't test for.

In regards to iodine, don't dose without a test kit. Lugals in particular is a very strong iodine supplement, and dosing too much is lethal to most corals.
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Old 09-10-2012, 04:07 PM   #43
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Randy, thanks for joining in!!

In regards to acclimation I just drip into a bucket of water. No light and no heat. Room temp is generally 75-76F. I would find it hard to believe acclimation is the problem since it has taken months for the decline of most of my coral. The only things that died within a few days were 2 hammers. Everything else was opening up fine and seemed ok for a few weeks before starting to decline.

As for nitrates I just have chaeto in the sump. It grows like crazy. No algae really in the tank save a small amount of Valonia that I can't seem to get rid of.

As for flow I have 2 MP10s running on Ecosmart at around 50-60% of max.

I perform a 10-15% water change every week generally though I have skipped some weeks here or there. I run at 1.025SG using red sea coral pro. With the tiny amount of coral actually pulling nutrients in the tank I would think that would be enough to replenish trace elements. Maybe not? I have talked to a member here in chat who has a beautiful zoa tank and hasn't done a water change in over a year. I have heard zoas like dirty water... But then this wouldn't account for the death of the trumpet, fauvia, acan, sympodium, or some of the others.

I think my issue is a combo of light and maybe iodine... But I don't know if it's too much or too little light. I talked to a guy who has beautiful coral and he runs his single Sol pod at 95% over a 30. Surely then running 2 pods at 40% over a 60 at 14" above the water isn't too much light? But I don't know.
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Old 09-10-2012, 04:12 PM   #44
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Quote:
Originally Posted by severum mama
We had TERRIBLE luck with Red Sea salt a few years back (not the Coral Pro, though). It didn't kill our corals, but caused such a ridiculous explosion of algae growth that we were barely able to get it under control. We liked Oceanic and Aquavitro Salinity and didn't have any trouble with those. Just grasping at straws here.

Also, I'm assuming that you have checked your RO/DI water with a TDS meter, just in case?
I do check the TDS meter each time I fill my holding containers. Output is still running at 0 TDS.

As for the salt maybe it could be a problem. Unfortunately I just bought a second bucket of it that I haven't even opened yet so it will be a bit yet before I could change to something else.
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Old 09-10-2012, 04:14 PM   #45
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I also just thought of something else... I am using a refractometer to measure SG. Maybe it is off? Can I calibrate it to 0 just using RO water?
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Old 09-10-2012, 04:15 PM   #46
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If you've not used anything with iodine in it and you've done plenty of water changes, wouldn't it be gone or is iodine one of those supplements that keeps giving?
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Old 09-10-2012, 04:18 PM   #47
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Lugols is iodine. It has been a couple of months but prior to that I was dosing it with every water change. I haven't added coral since I was dosing it so maybe I permanently ruined the coral with it?
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Old 09-10-2012, 05:39 PM   #48
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I wouldn't think it's permanent. Hmmm...I will research it as well! LOL! I seriously don't know much about iodine dosing etc. so I suppose it would be a good thing to look up!
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Old 09-10-2012, 06:06 PM   #49
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Quote:
Originally Posted by fort384

I do check the TDS meter each time I fill my holding containers. Output is still running at 0 TDS.

As for the salt maybe it could be a problem. Unfortunately I just bought a second bucket of it that I haven't even opened yet so it will be a bit yet before I could change to something else.
If you haven't opened it see if you can return it.
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Old 09-10-2012, 06:22 PM   #50
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Quote:
Originally Posted by fort384 View Post
I also just thought of something else... I am using a refractometer to measure SG. Maybe it is off? Can I calibrate it to 0 just using RO water?
Maybe it is off. I can't remember if you can calibrate it with RO/DI or if you need the "calibration solution." I used to take my refracto to the lfs to check it against the boss's.

Quote:
Originally Posted by fort384 View Post
Lugols is iodine. It has been a couple of months but prior to that I was dosing it with every water change. I haven't added coral since I was dosing it so maybe I permanently ruined the coral with it?
Is there something else you could try for dipping the coral? Maybe Coral RX is easier on them? I really don't know because I haven't used either product. I never dipped our corals. We did end up with a nasty case of flatworms at one point but honestly, I'd take that over what you're going through. We never lost any coral as a result of flatworms. I'm not saying don't dip them, I'm just saying.
We also didn't dose anything and had a few sps that did quite well, in addition to plenty of softies and lps. I'm of the school of thought that one shouldn't dose anything you aren't testing for... and I'm not sure dosing iodine would really be necessary for your tank. Not saying it isn't, but you've pretty much covered all the usual bases, so like I mentioned I'm basically grasping at straws.
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