Fluke Tabs Solved My Blue Clove Polyp Problem!

AcroporAddict

There is no substitute.
I have been living with a blue clove polyp problem in my reef tank for about 3 years now. I started with a tiny frag, and the little suckers just loved my tank. Pretty soon the stuff was everywhere. I have a 300 gallon SPS tank and the blue cloves were on every exposed area of live rock that got light, as well as the sand in some places even. My rock is Totoka, and it was impossible to get rid of it. I always wondered what kind of chemical effect (allelopathy) it could be having on my SPS and other corals because it was the dominant type if life in the tank by a wide margin.

A rough estimate was that I had 4 square feet of the stuff on my rock.

The only way to really get rid of it, if even possible, outside of a tank teardown, was a type of systemic chemical treatment. I had read that Fluke Tabs did the trick, but were hard to get as they aren't sold any more. I was able to find a container of 100 tabs that is not even expired yet, so I have a ton of them now.

Anyways, I used one Tab per 100 gallons (4 Fluke Tabs total), and discontinued protein skimming, carbon, and GFO use. I also removed two leathers and a feather duster, as I had read the Fluke Tabs would kill them. Dissolved the Fluke Tabs in some water and poured them in. Not much happened Day 1. Day 2 the Blue Cloves looked OK, but they were not open nearly as much as before. late day 2 the tank water looked a bit cloudy. The fish and SPS looked fine. Day 3 the water was a bit cloudier as well and the blue cloves still seemed unhappy, and were closed up even more. Day 4 I reached in and touched some of the Blue clove polyp tissue and it peeled straight up off the rock and started falling apart. I went as far as to put some of it in another reef tank that has some blue cloves, but it is not a plague in that reef like it was in the 300. The tissue just fell apart.....yay!

End of day 4, I resumed skimming, GFO and carbon. I have done 25-50 gallon water changes for the past few days, skimmed wet, and change the filter socks daily and outside of a bit of red cyano on some of the dead Blue Cove Polyp tissue, they are completely dead and gone. My Turbo snails acted drugged for a while, but they are getting back to normal as well.

If you have used Chemi-Clean for cyano, then this is somewhat similar, but a bit heavier on the water changes.

The Totoka looks like crud right now because it is bare without any coralline, as it was all covered by blue cloves.

It feels so great to be out from under this pest, I cannot tell you! Some before and after pics to follow.
Dave
 
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As promised, here are some before pics, followed by some after pics.
 

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More before and after pics.
 

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What are fluke tabs made out of? Any other substitutions that can be used?

My package of Fluke Tabs says it contains the active ingredients methyl-5-benzoyl benzimidazole-2-carbamate and dimethyl (2,2,2-trichloro-1-hydroxyethyl) phosphonate. Praziquantel is the recommended substitute for Fluke Tabs for the treatment of gill flukes, as Fluke Tabs are not available in the US any more. I tried Prazi-Pro on some blue cloves and got no results after several days in a small treatment tank. This use of Fluke Tabs to kill xenia and clavularia (blue cloves) is a non specified effect, like Kent Tech M killing bryopsis. Fluke Tabs were originally used to try to treat acroporas for AEFWs, and some reefers noticed that after acroporas on rocks that had been dipped in a Fluke Tab bath were returned to the main tank, Xenias and blue clove polyps started to decline and disappear. That, as far as I understand it, was how folks started using them to purpose kill Xenia and blue clove polyps.
 
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I used fluke tabs a few years ago as a cure to AEFW's. As stated the results when you placed the treated corals and or rocks back in the tank the residual chemicals killed; Green Star Polyps, Anthelia, Xenia etc. Furthermore, you wont be able to keep these corals in the tank for several years after.

I'd just take one tablet mix it in some tank water then dip a rock for a few minutes and return the rock to the tank, presto, no more of the above corals survive with no ill effects to other corals or livestock.
 
AcroporAddict -- I am actually considering adding some of those blue cloves to my tank to fill in what little exposed rock that I have left. I understand why you removed them, but did they overgrow any existing corals, or actually seem to affect anything in your tank? I have no acros to worry about, only LPS and some softies. Pic of the tank attached, so you can see what is in there, not to detract from your thread.
FTS3-6-2012A.jpg
 
AcroporAddict -- I am actually considering adding some of those blue cloves to my tank to fill in what little exposed rock that I have left. I understand why you removed them, but did they overgrow any existing corals, or actually seem to affect anything in your tank? I have no acros to worry about, only LPS and some softies. Pic of the tank attached, so you can see what is in there, not to detract from your thread.
FTS3-6-2012A.jpg

Randy,
Your tank looks so nice, I would not potentially ruin it by adding blue clove polyps! But seriously, I think a lot of it depends on what you have in the tank. I have a 100 gallon LPS/Softy tank, and there are 4 patches of Blue cloves that are not taking over the tank. This 100 gallon has a lot of torch, frogspawn, hammer, and an elegance in it that can sting anything close, so I think they are kept in check by the euphyllias. In this tank, I would try Kalk or similar before nuking the tank with Fluke Tabs.

I think the situation where blue clove polyps get out of control are in tanks where there is little or no threat to them from other corals, like in an SPS dominant tank, as SPS corals don't have sweepers. All blue cloves need are exposed rock and light. I think they keep SPS from encrusting on rock because they block all light. They are also hard on zoanthids, because they can grow between the Zoas and compete with them for light. I have seen the Blue Cloves in my 300 actually cause the zoas to scrunch up instead of spread out when they grow between them.

Also, I have always wondered about reef tanks that have one dominant species of coral, like the way the Blue cloves were in my 300, and the chemical effects (allelopathy) of whatever secretions are coming out of that dominant species?

Based on my own experience, I will never knowingly add them to a reef tank again. Blue cloves grow like GSP, but they also spawn and produce eggs. I think I see some GSP in your tank.....Fluke Tabs would kill that as well.
 
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Thanks for the speedy reply. My tank will turn 13 in a couple of months, most of the corals are well established in there and are holding their own against the gsp's that are in there. They haven't spread much if at all for several years now, although they did worry me for a while. I am more concerned with the chemical warfare from the blues that you mentioned than them actually overgrowing anything. I am on the fence about adding them, but I have read several posts from some people who have an abundance of them like you did, and have not had any real issues with them. Thanks again.
 
Thanks for the speedy reply. My tank will turn 13 in a couple of months, most of the corals are well established in there and are holding their own against the gsp's that are in there. They haven't spread much if at all for several years now, although they did worry me for a while. I am more concerned with the chemical warfare from the blues that you mentioned than them actually overgrowing anything. I am on the fence about adding them, but I have read several posts from some people who have an abundance of them like you did, and have not had any real issues with them. Thanks again.

IMO, a nice alternative to Blue clove polyps is Sympodium. I have had this for months in my 100 gallon, and it is a slow grower. It could have spread a ton where it is placed in my 100, but has not. You can pull it right off the rock if you want.
 
IMO, a nice alternative to Blue clove polyps is Sympodium. I have had this for months in my 100 gallon, and it is a slow grower. It could have spread a ton where it is placed in my 100, but has not. You can pull it right off the rock if you want.

Yes, I am considering that as well, thanks for the suggestion.
 
I just started a treatment for blue cloves. An extremely generous friend from my local club gave me a few tabs... Wish me luck!
 
I tried to buy some fluke tabs last night. Thought I'd found some, the transaction went through, only to find an email this morning, informing me that they are out of stock. If anyone has enough to rid a 75g of runaway Xenia, I'll happily purchase some from you.
 
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