As of now there is an effective aid against tissue eating flatworms on Acropora and ailing small polyp stony corals. Flatworm Stop strengthens all types of corals and reduces parasitic flatworms on Acropora species. The very valuable ingredients be taken up by corals immediately after addition. It has been found in tests out that even ailing small polyp stony corals restore a previous back basis and maintain their original color.

The dosage of 1 ml per 100 liters of aquarium water a day is added directly to the aquarium at ailing corals, the dose may be increased to twice or three times.