ProForm-C Broad Spectrum Disease Treatment 32 oz The safest and most effective treatment for the control of diseases caused by Ichthyophthirius (ich), Costia, Trichodina, Chilodonella, Oodinium and fungal infections. The ONLY MG&F treatment that can be used in water temperatures as low as 50 degrees (F), thus allowing you to treat in early Spring and late Fall. All other MG&F treatments can NOT be used below 62 degrees (F) Treatment is DAILY. Most other MG&F treatments are dosed once every three days. Dosing daily allows you to complete the treatment in 3 days instead of 9 days. You do NOT need to bypass your bio-filters which allows a more comprehensive treatment of the entire pond system. Less toxic to koi and goldfish than any other MG&F product on the market. Can be shipped NON-HAZMAT legally anywhere in the U.S.