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Flatworms, nuke them or try natural predators?


souperman

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My tank will be fallow until the new year, but I have been adding a few corals her and there. Well even after dipping everything I seem to have added a few red flatworms to the tank. They look like C. retrogemma to me.

 

Would this be a good time to try and nuke them with a chemical remedy since I have no fish in the tank? My other option is to let it be and try adding a wrasse or something that may eat them later on. Right now there aren't that many so any fallout from a die off would be minimal.

 

What do you guys recommend for chemical warfare?

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I bought flat worm exit, works very well. However, I nuked my tank, killing MOST of the flatworms. I also lost a blood shrimp and my flame angel in the process, so I will never do it again. Pretty much all my inverts acted weird for the next few days. Oh and they are back, with a vengeance.

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A Melanurus Wrasse is great for eating those things. It may not be able to wipe out a large population but it sure will take care of a large amount of them. I used Flatworm exit a few years ago to kill the majority of the worms and then my Melanurus took care of the stragglers.

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Neithe rmy malanerus or my corris wrasse ate any flatworms-

 

I used the flatworm exit and did not kill anything other than what it was intended-both fire shrimp and all the inverts did fine-Granted I had a small population (very small) but they were present none the less-I did a 50 gallon water change on a 150 gallon tank 4 hours after treating (not 6 as I am told I shold have) and ran a large carbon reactor as recommended.

 

I plan to treat the tank one more time and wait the 6 hours before the water change just to be safe before I move everything into my 400 gallon.

 

Good luck if you choose to go another route other than the flatworm exit-its hit and miss from everything I have read-

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my six-line from Garret took care of a fledgling population very quickly. in my 55, I saw probably 20 or so on the glass front plus who knows how many others. they were small but I was afraid of a population explosion. bought the six-line (my wife calls it Bowie because a friend described it as "80's fish"). within a week I saw 0 flatworms and it's been probably two months and I've never seen 1.

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Funny- seems like many different things worked or didn't. I had flat worms and got a green Coris, nothing, got a Yellow Coris, nothing. I couldn't find the Bl Nudi locally so..... Yep flat worm exit. No problems at all. Nothing affected but the flat worms.

 

Good Luck with what ever you choose.

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I'm really leaning towards adding a Melanurus Wrasse to see if that controls them as soon as I can have fish again. The nudibranch is an interesting idea too' date=' I wonder how hard they are to come by.[/quote']

 

You should ask Nick at rose city, I have seen them in his shop before.

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Spotted Target Mandarins and Sapphire Damsels will eat them as well. I know "Damsel" conjures images of a mean, nasty fish, but Sapphires are pretty laid back. We add them to most of our tanks because they eat flatworms and get along with everything. Under $10...problem fixed for a long time:)

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I've been trying to get rid of flatworms for about a month. Used Flatworm Solution several time. It got rid of ALMOST all of the flatworms. But those few that it doesn't touch are multiplying, so every-other-day I suck out any I can see with a turkey baster. The population can't be more than about ten or 15 after I'm done sucking them out, but I don't think it will ever be zero. My thought is to keep doing this for a couple months...through several generations of flatworms and then when I can't see any left, nuke the tank with a triple doze of the flatworm solution. Failing that, I'll find several people that might like to rotate a velvet nudibranch through our tanks.

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