This Kusuri Formalin 30% treatment - Formalin is a very active chemical and is best used with Malachite for the effective treatment of most single cell parasites including white spot, costia, and some fluke Infestations.

Dosage:

75mls per 1000 gallons.

The normal course is 3 treatments 5- 7 days apart.

For use above10c (50f)