Need red planaria advice


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Hi Everyone,

So I have a red flatworm infestation in my 38 G tank with hang on back refugium, skimmer and Phosban reactor.
I bought some Flatworm Exit which I intend to use this Sunday when I make my water change.
As far as I can tell it is quite an infestation. I see several "mats" of them on the LR and some on the glass.
I have a good deal of LR and a DSB so I'm sure what I'm seeing is just a small sampling of the total population.
I have been taking out as many as I can, manually, for the last week. Seems to be no end.
I'm therefore wondering what I would need to do to get rid of these critters.
I'm concerned about the effects from the die off after using FE and how it would effect the other members of the tank.
Fish include a Yellow Tang, Flame Angel and a 6 Line Wrasse which has shown no interest in the flatworms.
I have quite a number of corals, including some expensive ones (Scolymias, WD Tenuis and an Orange Passion Acro). I don't like the idea of losing any of my corals, especially not them.
I also have a fairly large size Zoa Garden on the sand and was wondering if they might release Paly Toxin if they are stressed out; creating a double whammy.
I've already read the instructions for the FE and I have a general idea on how to proceed but I was wondering if anyone has been in a similar situation and what they may have done and how it turned out.


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Thanks for the advice
The 6 Line hasn't been able to handle the worms and doesn't seem interested, anyway.

So beginning tomorrow morning, I will start the treatment with Flatworm exit.
here is what I plan to do:

1. remove as many as I can manually
2. Will not be aggressive dosing the FE, rather I will start slowly. I'd rather make two treatments then be too aggressive.
The instructions calls for about 28 drops, for my tank. I will start with 20. If I see no activity, I will add another 10.
3. Normally I skim for 6 hours at night. I will be wet skimming from the get go.
4. Will be running Rox carbon actively via a Phosban 150 and passively in a filter in my HOB refugium.
5. I anticipate clearer water due to the heavy carbon use. Accordingly, I will half the intensity of my Radion lights.
6. I have already prepared 30% water change and have plenty more RODI water to make more on the spot.

My goal is to minimize stress to all other tank inhabitants.
I'll let everyone know how things turn out


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For anyone that may be interested:

Began treatment at 10:30 AM, yesterday. Within seconds the visible flatworms were on the move. Withing minutes they were dying off. Netted some and began water change.
(Did a 50% water change staggered over an 8 hour period).

Affect on Corals:
Zoas closed up within minutes of treatment - but they reopened several hours later.
Blasto closed up but is looking better today.
Acros appeared unaffected by the treatment.
Orange Setosa is off color (tan rather than orange) and also a bit of a coloration issue with my grafted Capricornus. Nothing major.
Coco Worm is Ok but I haven't seen any of my red legged hermits.
Serpent Starfish is not sending out his tentacles as much from under the rocks.
Within a short period of time my Yellow Tang and Six Line Wrasse were obviously stressed while my Flame Angel appeared unaffected.
In the case of the Six line; I never observed him eating any flatworms prior to treatment, but once the dying or dead flatworms began floating through the water column he began picking them off.
Predictably, shortly thereafter, he began waving his pectoral fins furiously and swam in a. upward orientation. He was like into nighttime.
I haven't seen him today. He may be hiding in the rock work or dead.
The yellow Tang is doing much better. Swimming in the open and accepting some food.
The Flame Angel, however, is spending more time in the rock work, than usual, but is coming out for food.
Just went over to the tank to see how things were going. I thought I saw one of the red legged crabs and when I went over I noticed it was a red legged crab, but dead and minus its shell. It was actually right at the side of the carcass of the Six Line Wrasse.


I'm hoping that the carbon will remove any remaining toxins and the Yellow Tang and Flame Angel will survive, as well as the other members of the tank.
It's ironic that I thought that the corals in the tank would be most stressed by the treatment. Instead it was the other way around.

My original intention was to perform 2 or more treatments to get rid of the flatworms (yes they are still around).
For that reason, I intentionally dosed about 20% less than what was recommended for my tank size.
I am thankful I did this. Had I dosed anymore it could have killed the other fish.
If I had overdosed the FE it may well have wiped out the tank.

Based on my brief experience with this product, I would say that it may well work in a Frag or Coral tank that does not have any fish. Otherwise it's a gamble.
And you definitely DO NOT want to add this product if you have animals that may eat flatworms.

My final thought is since I still have the flatworms in my tank and I do not want to use flatworm eXit are there any animals that will go after the flatworms.

Is it possible this Six Line was a "Dud" and most Six Lines will eat the worms?
Intuitively it occurs to me that if they ate too many wouldn't they be poisoned by it?
If anyone has actual experience dealing with this, I'd really like to hear from them.