TetraPond Pond Fish Treatment treats Koi and goldfish infected by protozoan parasites including Ichthyopthirius, multifilis (ick or white spot), Costia Chilodonella, and Trichondina. Helps control external parasites, bacteria, and fungus that cause infection. For outdoor ornamental ponds only.

Sizes:
16366 - 8.5oz / 250mL treats 1,250 gallons
16382 - 16.9oz / 500mL treats 2,500 gallons