ZeroTol HC

ZeroTol HC

Buy 2 or more: $137.38 each

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Product Overview

Zerotol HC is a powerful formula that helps protect turf and lawns, ornamentals, greenhouses, hydroponics, aquaponics, and other surfaces against bacterial and fungal diseases. It is a fungicide, bactericide, and algaecide in one unique product which helps kill diseases on contact without leaving any residues thus can be followed by biological applications to protect against colonization. This product helps suppress downy mildew, powdery mildew, anthracnose, botrytis, leaf blight, leaf spot, and more. By getting rid of these diseases, it helps develop stronger roots and stems on your plants. It also controls odor-causing bacteria, fungi, algae, mold, and mildew on hard surfaces to keep the area disinfected. It is environmentally-responsible and it can be used around people, pets, and other animals when used according to the directions on the label, plus it is OMRI listed so it is safe to use until harvest day. Available in 1-gallon jug.

Features and Specs

Active Ingredient Hydrogen Peroxide - 5.34%Peroxyacetic Acid - 1.36%
Target pests Downy Mildew, Powdery Mildew, Leaf Blight, Anthracnose, and other listed diseases.
For use in Greenhouse and Ornamentals, Hydroponics and Aquaponics, and Turf and Landscape.
Application See the label for the complete application instructions.
Pet safe Yes, if used as directed on the label.
Formulation Liquid.
Special Features With no toxic residues and a 0-day preharvest interval, it gives homeowners peace of mind as it is safe for people, pets, and wildlife.
Shipping Weight 9.00 lbs
Manufacturer BioSafe Systems
EPA Registration 70299-16



  • Foliar Spray
    • 25 mL/gallon
    • Apply at 5-7 day intervals. Spray for the contact of the entire shoot, leaves, and stems down to media. Use 2 gallons of solution per 400 sq. ft.
  • Hydroponics and Aquaponic
    • 10 mL/50 gallons
    • Use a higher label rate for established algae. Apply 1-time weekly.
  • Surface Treatment
    • 25 mL/gallon
    • Allow to remain wet with the solution for 1 minute.


  • Downy Mildew
  • Powdery Mildew
  • Leaf Blight
  • Anthracnose
  • Botrytis*
  • Xanthomonas*
  • Rhizoctonia*
  • Leaf Spot*
  • Pseudomonas*


  • Anthracnose
  • Brown Spot
  • Dollar Spot
  • Summer patch
  • Copper Spot*
  • Strip Smut*
  • Take-All Patch*
  • Leaf Spot*
  • Fusarium*
  • Fairy Ring*
  • Pink Snow Mold*
  • Pythium*
  • Phytophthora*
  • Rhizoctonia*

*Not approved for use in California.

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