Flatworms

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 Mark Peterson wrote:

Fish are great Flatworm eaters if they are hungry enough. Besides the Six-line, other fish that eat flatworms are Yellow-tail Blue Damsels, Mandarins and some other wrasses, one especially good wrasse whose name I don't recall now, but I believe it starts with the letter M.

Show us your tank by posting a few pics. It could  help us help you.
To get fish to eat things like Flatworms, it is sometimes necessary to stop the feeding. Let them go hungry and they will search for other food in the tank.

There is another medication, much cheaper than FW Exit. It is a pig medication called Levamisole. 

When using any medication, we have found that it is better to utilize a sequence of increasingly larger doses. I have discussed this here on the MB many times regarding Flatworm Exit. Basically you start with a 10% dosage (1 drop FW Exit per 10 gallons) and see if the flatworms start to wiggle and move around. If they don't show signs of irritation in about 5-10 minutes, add another 10% dosage. When you see some flatworms releasing their hold and floating around the tank, wait 30-45 minutes and then add a bag of AC (Activated Carbon) in a place of good flow, typically this is near an intake or if you have a HOB filter use that. Don't use a so called "AC Reactor" That works too slowly. 
The next day remove the AC and repeat the procedure above. This dosage will probably reach 50% before the remaining flatworms start to die. Repeat this each day until the dosage has reached 100-200% and no flatworms are left. 
Don't forget to add the AC after the last, largest dosage.

There are two extremely important reasons for using Flatworm Exit according to this slow dosage procedure rather than the manufacturers directions.

1. ** Some tanks have so many flatworms, many of them hidden, that the full dosage overwhelms the tank with dead flatworms releasing lethal toxins into the water and even with major water changes, fish and coral may be lost. The slow dosing procedure puts NO fish or coral at risk of death.
2. The trouble and effort of siphoning flatworms and doing a massive water change is completely unnecessary with the slow dosing method. 

Ok i took sometime to find this post. no signs of flatworms any other place than my cup coral. Started noticing them 48 hours ago only on my cup coral nowhere else as far as i inspeced.
3.19 pm i remove the activated carbon
3.21 pm added six drops with is equal to the 60G of my water volume
3.24 pm i see that flatworms are starting to move, 
3.26 pm Button polyp tentacles retracted. 
3.43 pm flatworms still moving no sign of any i see floating to the top
3.58 pm turn off skimmer, added another six drops
4.20 pm flatworms still moving, no sign of them losing hold and floating to the top in the cup coral.
4.50 pm flatworms still moving on the cup corals no sign of losing their hold.
5.20 pm Added AC to remove medication and will medicate tomorrow
Note
I just saw one flatworm lose it hold on the leather, not same species as the flatworm in the cup coral. Hopefully 20% of the dosage has killed some of the flatworm
Ok at 2.30 added 150% of dosage and decided to physically remove the flatworms i saw only 3 where present on my cup coral. at 3.20 added AC to remove any toxin left by flatworms and FWE. im looking forward to see no more FW during the future 

Edited by SGH360 - September 03 2010 at 4:31pm