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Last Updated: 7/13/2026

Defoamer Select™

12 x 1 qt

Defoamer Select™ is a water-based, silicone emulsion, antifoam, and defoamer that can be used to prevent foam formation or knock down existing foam. Reducing and eliminating foam during tank mixing, allows the product to be more thoroughly agitated during the process and reduces the threat of chemical spills. Factors contributing to the creation of foam include the pesticide being used, the temperature and viscosity of the tank mix components, the amount of agitation required along with other conditions. Defoamer Select controls foam formation by penetrating the walls of the foam bubbles, causing them to collapse.

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    • Does not affect efficacy of active ingredient.
    • Prevents foam from forming.
    • Knocks down existing foam.
    • Safe and easy to use with any tank-mix.
    • Does not harm turf, ornamentals, or other plants.
    • Reduces mixing time.
  • PRINCIPAL FUNCTIONING AGENT
    Dimethylpolysiloxane

    % ACTIVE INGREDIENT
    10%

    FORMULATION
    Concentrate

    MODE OF ACTION
    Antifoamer

    EPA REGISTRATION
    N/A; All ingredients are exempt from tolerance under 40 CFR 180

    SIGNAL WORD
    Caution

    PACKAGING INFORMATION
    12 x 1 qt, 4 x 1 gal

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