Salifert Flatworm Exit is a guaranteed method of removing Planarian worms from your system. Flatworm eXit itself is quite safe to fish and invertebrates. Treats up to 300 gallons (1200L). It is Reef safe providing the instructions are followed. We have used this product with great success in the shop systems so can recommend it.
However, the body fluid of flatworm can be toxic to some reef inhabitants when present in a too high concentration.This body fluid is sometimes excreted when flatworms die. 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.
Important remarks
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 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 fluids, released when they die, as fast as possible.
Do not underestimate the number of flatworms in your system. In a few case a significant number of flatworms can be hiding in for example crevices. Below in such and any other potential hiding place water to below any flatworm out of there. For that purpose you can use a powerhead or a turkey baster, siphon out those flatworms as well.
Further more do not underestimate the amount of toxic body fluids these flatworms can be reduce 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.
Any body fluids released y 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 tanks 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. Only for aquarium hobby use.