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Old 09-14-2012, 08:52 PM   #91
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+1 for carbon. It draws all the bad out like copper and other harmful residues like you said and even the tiniest presence of somthing can kill corals. +1 for higher alk. dKH should be around 10-11 for faster growth. Salinity should be at or around 33. I think it's 1.024-1.026ish. When in doubt use CARBON!
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Old 09-14-2012, 08:59 PM   #92
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Quote:
Originally Posted by scottayy
Have you been feeding, fort? IMO, no coral can survive on just light.
+1!!! 100% correct! Your supposed to mimic the reef. The reef has a constant food supply and can't survive on just light. light is feeding the algae within corals and the excess food the algae can't use gives to the coral to eat. Say your parents ate till they were full and the scraps of what was left go to you. Same thing basically. It may be ok for a while but eventually your body will need more. Also a dramatic change in light can bleach corals which mean the algae within the coral has released from the coral in need to find a new host. Feeding would be it's only survival after that till algae grows again.
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Old 09-14-2012, 09:18 PM   #93
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I really don't think it is feeding that is an issue. Not feeding would cause slow growth, not death.

I feed the tank rods reef daily. I don't target feed but there are nutrients in the water.

I have ran carbon in the past for a month or more. There was no change in the condition of the coral. It continued its slow decline.

I am intrigued by the iodine idea and have done 3 15% water changes this week. The only issue I have with it as a culprit is it has been at least 10 weeks since I last dosed it. I can't imagine it still causing an issue unless it did permanent damage to the coral. To test this I added a new hammer to the tank this week and did not do a lugols dip prior. So far it seems to be doing ok. We will see how it looks in a week or 2.

I tested for stray voltage today when I got home. There was none.

While I appreciate all of the advice, I cannot make multiple changes to the tank too quickly. I need to try different solutions one at a time.

Before I try to raise alkalinity or start trying to constantly run carbon I want to see if the increased lighting and multiple water changes has any positive effect.
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Old 09-14-2012, 09:29 PM   #94
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We're just trying to help. I totally agree. One change at a time.
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Old 09-14-2012, 09:42 PM   #95
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One thing I do disagree with is about the feeding. I have not target fed my corals in the 14 yrs I have had them. They get all they need from the lighting and water column. That is with very good growth also.
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Old 09-14-2012, 10:57 PM   #96
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The carbon you used.. was it Kent brand by any chance? Kent had to recall a large batch of their carbon due to copper contamination that caused lots of reef crashes. I know it's a shot in the dark.

About iodine, I've used Lugols solution in multiple reefs without any issues for years at a time. Not that it couldn't be a problem at high doses. When I used it i was only doing monthly doses so replenishment made sense.

Another shot in the dark could be cleaners. My parent's maid once killed lots of the corals in their tank by spraying cleaner on the floor while moping. The spray got into the shimmer's air pump and set off a crash. We figured it was that because the swifter had just come out and she used it for the first time the day before the disaster. After that, no sprays like febreeze, floor cleaner, the Orken man or even glade style plug-ins were used in the room.
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Old 09-14-2012, 11:41 PM   #97
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Quote:
Originally Posted by melosu58 View Post
One thing I do disagree with is about the feeding. I have not target fed my corals in the 14 yrs I have had them. They get all they need from the lighting and water column. That is with very good growth also.
I didn't mention target feeding. Food in general.
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Old 09-14-2012, 11:56 PM   #98
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What about diseases? It is possible for corals to get a disease. Many like receding from the skeleton and others are unfourtunantly uncommon. Even if you haven't doused in a long while it can take a very long time to rid of too much iodine. Think about it. Your replenishing what you have "lost" with waterchanges with the salt mix so it won't do much good unless you have a crap load of mushrooms. If anything you might be adding more or very slowly declining on the amount of iodine. I had the same problem with alk or my dKH. Before I found out about what effects the pH and having a hard time keeping it at 8.3 (a room where lots of oxygen passes through or lights etc. Keeps it high) I doused stuff that also raises Alk. My alk was sky high because of that and my dechlorinator raised alk also!! It was like 20 dKH. And still to this day it's been a.year now and it's finally 11.5 dKH. Like I said once it's doused it takes awhile for it to come down. Basically you gotta wait for the corals to consume it. My lps corals did fine fourtunantly and now do awesome now the alk is under control.
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Old 09-15-2012, 01:44 PM   #99
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The thing is the only sps in the tank is doing great. It's the softies and zoas and Lps that have ha problems. That being said I retested everything this morning:

PH: 8.3
Po4: 0.00
No3: 0
Calcium: 480
KH: 7.3d

I tested my salt mix water and it is 11d KH. Maybe this is a contributing factor. Also I am into a new bucket of salt mix now - maybe the last bucket was low on carbonates? I will keep doing water changes and see if I can get the tank up.
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Old 09-15-2012, 01:47 PM   #100
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That is odd. The only way your carbonate would get used up is through corals using them to build their skeletons in the form of calcium carbonate. It also seems weird that your pH is 8.3 but dKH is 7.3. Usually when the pH is that level the dkH will be around 12 or higher.

Whats your calcium testing out of the box?
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