Kusuri FMC (Formalin & Malachite Green) Premix 250ml 
 
Use 10ml per 100 gallons of pond water. 
 
Treat up to 3 times 7 days apart maximum.
Do not use below 10 C (50 F)
 
A ready to use full strength formulation, popular as a pond-wide anti-parasite treatment. Particularly good for white spot infestations.
 
Do not use with salt in solution!