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Sarcophyton Toxins causing issues

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WhiteReef View Drop Down
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    Posted: October 31 2005 at 2:36pm

I just thought that I would share an experience I have had for several months and did nothing about.  I have had a good colony of frilly toadstool coral (sarcophyton) in my tank that grew and was extremely healthy (several of you probably have a frag of it in your tanks).  Anyway, months ago my wife and I went to an LFS and found some additions for the tank and one was a different type of leather coral.  I put it in the tank and it did okay for the first while, and then it started to look bad.  The other leather coral colony stopped opening up, and this continued for several months.  This change happened over several weeks, and that is one reason I did not figure out the initial problem until it was to late.  About two weeks ago the 'new' leather coral died without a trace remaining.  Since it has been dead, the colony has been opening up and doing well.  Also the entire tank was suffering during this time where the corals were not as happy as usual, and since that coral has been gone everything is looking much better.

The thing about all this is that I had heard over and over again how leather corals produce toxins and are sometimes very aggressive.  Also I believe this is true with most soft corals.  However, I did not recognize it as a toxin war and simply had written it off to neglect on my part and possibly a problem with the coral to start with.  Hopefully this is a warning to watch out when adding other leather corals to a tank that already has them and if you have multiple leather corals to watch to ensure that a toxin war does not break out.

Also I had tested the normal parameters and they did not read anything out of the normal during this period.  Also I had done several water changes, and had changed salt mixes around the beginning (Coral Life to Instant Ocean).   The change between the salt mixes was another thought I had as to the reason the corals were not looking nearly as good as they could.
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Richard

Former 47G Column Reef, Magna
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Will Spencer View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Will Spencer Quote  Post ReplyReply Direct Link To This Post Posted: October 31 2005 at 6:13pm
So are you still skimmerless or are you now using one as you signature seems to indicate?  Did this have anything to do with your stating it up again?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WhiteReef Quote  Post ReplyReply Direct Link To This Post Posted: October 31 2005 at 7:04pm
Partially.  I lost alot of the macro algae in the tank and was having problems with excess nutrients as a result.  So for right now I am running one.
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Richard

Former 47G Column Reef, Magna
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark Peterson Quote  Post ReplyReply Direct Link To This Post Posted: October 31 2005 at 10:56pm

The best way to control/reduce those chemicals is to use activated carbon periodically. I don't run AC all the time because it takes out too much of the good stuff, but for many chemical compounds, that we sometimes call toxins, it is the only thing that works. Skimmers don't do it.

Personally, I've found that some Sarcophyton do well in one tank and lousy in another tank. Leather coral aren't as much bothered by each other as each variety is bothered to different degrees by other chemicals produced by other soft and hard coral in the same tank. Then I've had leather coral that didn't do well in anyones tank.

In other words, after reading your post, I must admit, I don't see it the same as you do. What I see is a Leather that wasn't doing well and may not have done well in any tank regardless of it's tankmates. While it was dieing, which took months, it polluted the tank with it's foul "smell". When the coral was finally gone and the "smell" decomposed, the neighborhood could finally come out and play.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote jpiotrowski Quote  Post ReplyReply Direct Link To This Post Posted: November 01 2005 at 3:02pm

Mark,

Though you just may be right about the decaying sacrophyton just thought I'd clear the toxin issue up.

Toxin: One of a number of poisons produced by certain plants, animals, and bacteria.

The term "toxin" is frequently used to refer specifically to a particular protein produced by some higher plants, animals and pathogenic (disease-causing) bacteria. A toxin typically has a high molecular weight (as compared to a simple chemical poison), is antigenic (elicits an antibody response), and is highly poisonous to living creatures.

 

Seeing that most toxins are proteins it is reasonable to consider the one created by sacrophyton will be also and will likely be taken out by a protein skimmer, though the efficiency of the skimmer will play a huge roll in extricating the toxin.  I haven't heard too many people suggest that a protein skimmer doesn't take out enough!!!  Usually, opponents of skimmers say that they take too many of the  things out especially the good!

John

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