ProForm-C is the pre-eminent broad-spectrum malachite green and formalin treatment.

These two ingredients are more effective in combination than if used individually.

It is formulated with malachite green chloride.

Other products use the oxalate salt formula, which is more toxic than chloride.

CAUTION: Do not use salt with ProForm-C


  • 1 quart treats a 3200 gallon system three times.
  • 1 gallon treats a 12,800 gallon system three times.


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ProForm-C is the safest and most effective treatment for the control of diseases and fungal infections.

You do not need to bypass your bio-filters. This will allow a more comprehensive treatment of your entire pond.

The ONLY treatment that can be used in water temperatures as low as 50 degrees (F), allowing treatment in early spring and late fall.

Treatment is daily

Less toxic to Koi and goldfish than any other malachite green and formalin product on the market.

Additional information

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1 gallon, 1 quart


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