Salifert Flatworm Exit

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Salifert Flatworm eXit

Flatworm eXit is the best and one of the only ways to rid a tank of flatworms. Salifert eXit can be used on marine system that house coral and invertebrates without the fear of hurting your tanks live stock. The formula used for the eXit only targets the worms internal structure and nothing else.
So when you use this product it is important to do the following first:

Siphon out as many flatworms as possible.
Keep sufficient fresh activated carbon in a canister ready.
Turn off UV, ozone and remove activated carbon. Keep the skimmer turned on.

Below given remarks are a.o. meant to reduce the amount of the flatworm`s toxic body fluid in the water.

Many people have treated their reef tank(s) successfully using Flatworm eXit without any problems. The most important factors are reducing the number of flatworms before commencing with the treatment and reducing the amount of the flatworm`s body juice, released when they die, as fast as possible.

Do not underestimate the number of flatworms in your system. In a few cases a significant number of flatworms can be hiding in, for example, crevices. Blow in such and any other potential hiding places, water, to blow any flatworm out of there. For that purpose you can use a powerhead or a turkey baster. Siphon out those flatworms as well.

Furthermore, do not underestimate the amount of toxic body-fluid these flatworms can excrete. This can be reduced significantly by really siphoning out the flatworms before commencing with the treatment. Further significant reduction is accomplished by siphoning out as many dead flatworms as you can.

Anybody fluid released by the dead flatworms in the water has to be reduced further by using about 1 pound of fresh high quality carbon for every 50 gallons. The carbon has to be used in a canister with a sufficient forced water flow.

Take sufficient time for treating the tank. That is, do not treat your tank in a hurry. Also, take time to monitor your tank for at least 6 hours after the treatment.

It is also wise to have at least 25% water ready for a water change if required.


Read all the above text before commencing with the treatment!

1 drop for every 4 liters or 1 gallon.The dropper contains approx. 300 drops (10ml). The dropper cap holds approx. 90 drops. So 1 cap full is good for 360 liters or 90 gallons.
Add it in a high flow area of the tank. If you want to treat a refugium only and if it`s volume is too small for using a powerhead then mixing should be done manually.
It should start to work within 30 minutes.
If within 45 minutes no visible death of flatworms occurs add 50% more.
As soon as the flatworms start to die, commence with the activated carbon to take out any toxic body juices. Also see the above given important remarks. Do Not wait more than 2 hours, add carbon to flow, do not just drop a bag in the sump.

After an hour or so you can turn any UV or ozone on again

Keep out of the reach of children! Only for aquarium hobby use.