Foam suppressant quickly defoams spray solutions containing nonionic surfactants, silicone surfactants or crop oil concentrates.

Features & Benefits

  • General purpose antifoamer and defoamer
  • Prevents foam spillover
  • Easy-to-use fliptop lid and 2 oz. dosing increments with viewstrip on quart containers

Use Rate

Antifoam method: Use 1-4 ounces per 100/gallons of solution. Add entire volume of Knockdown needed for load when tank is 1/4 full. 

General defoamer: Use 2-4 ounces per 100/gallons of solution. Add to spray solution at point of greatest agitation. 

Case Size

12 x 1 quart


Knockdown Specimen Label pdf

Knockdown SDS pdf