ZeroTol 2.0 Algaecide Fungicide - 2.5 Gallons

BioSafe Systems


ZeroTol

A treatment for the prevention and suppression control of horticultural diseases in greenhouses, garden centers, landscapes, and nurseries. Its liquid concentrate, activated peroxide chemistry offers professionals a powerful new tool for controlling a broad range of turf pathogens, including Anthracnose, Dollar Spot, Grey Leaf Spot, Snow Molds, Brown Patch and Summer Patch. ZeroTol 2.0 is a bio-rational, broad-spectrum bactericide/fungicide formulated to kill active and dormant spores.

 

  • Minimal PPE Required for Applicator

  • Non-Phytotoxic to All Turf Types

  • Environmentally Responsible Chemistry

  • Use in Chemigation Systems

  • Goes into Solution Immediately – Works on Contact


Rate of use (turf application): for curative application, use 12-15 fl. oz. per 1,000 sq. ft; For preventative applications, use 6-8 fl. oz. per 1,000 sq. ft.

Active ingredients:

Hydrogen Dioxide: 27.1%
Peroxyacetic Acid: 2.0%
 

ZeroTol 2.0 is an effective broad spectrum algaecide/bactericide that increases plant health by killing algae, bacteria, fungi and their spores on contact. ZeroTol 2.0 is labeled for use in greenhouses and nurseries and on professional turfs and landscapes. ZeroTol 2.0 controls foliar and root diseases and is safe to use on foliage and most open blooms. ZeroTol 2.0 leaves no harmful residue behind and has Zero REI. ZeroTol 2.0 can be applied as a foliar spray or drench.

Customer Reviews

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Based on 21 reviews Average Rating 4.71 stars out of 5
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  • A
    Aimee Najarian A. N. Aimee N.
    20-08-2025

    Saving my garden

    To be honest, I have not used the ZeroTol yet. BUT, I contacted the manufacturer to inquire about the product because I had a very specific issue with my garden. What I learned from them was valuble information and Seed World had this product . It was shipped promptly. I am using it this weekend so I can plant my fall crops next week!

  • H
    Harry Firth H. F. Harry F.
    19-08-2025

    Poor

    Wrote to customer service and no response. Package was damaged and fungicide leaked all over. Could even read the instructions

  • C
    Catharine Minichino C. M. Catharine M.
    13-08-2025

    Seed World 👍🏻

    Great from website order to delivery.

  • Smith . S. S.
    03-08-2025

    Zerotol 2.0

    Came very promptly and is a great value

  • M
    Michael Johnson M. J. Michael J.
    11-06-2025

    Exactly what I was looking for

    Quick shipment and delivery of the order I wanted

  • C
    Casey Carton C. C. Casey C.
    28-03-2025

    Solid order and delivery time!

    excellent processing time, nice work!

  • J
    James Bielaczyc J. B. James B.
    05-03-2025

    Packaged well

    Thanks

  • F
    Francis Busa F. B. Francis B.
    17-02-2025

    Zerotol

    Came on time good price happy overall with everything Thank you

  • M
    Michael A. Lopes M. A. L. Michael A. L.
    25-10-2024

    Owner/ Mng.

    Thanks , got the product quick

  • R
    Ron Collins R. C. Ron C.
    23-09-2024

    Excellent

    My order arrived on time and in good condition

  • S
    SCOTT ESTAY S. E. SCOTT E.
    29-08-2024

    Zerotol

    Great product

  • M
    Michael Tzanetakos M. T. Michael T.
    30-05-2024

    Poor packaging

    I now understand why my 1st package was destroy by shipper... unfortunately when I received my new shipment which was on time and customer service was very helpful so that part was great. But the packaging.... the person who wrapped the 2.5gal zerotol container, they didn't check the cap or tighten it and tape it in place. I'm not sure if they are new or what but regardless when I opened the bag the inside of the garbage bag that was used was covered in zerotol and when I had to reach in to grab it I received a slight h2o2burn on my hands. I'm not even mad about my hands but the packaging job was terrible.

  • M
    Mariah Romano M. R. Mariah R.
    09-04-2023

    Zerotol / sanidate

    Timely shipping and delivery :)

  • p
    patricia burns P. B. patricia b.
    27-03-2023

    Super fast shipping

    Excellent customer service. They shipped it immediately and the package arrived very quickly.

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