ZeroTol® 2.0

Broad-Spectrum Algaecide / Bactericide / Fungicide

ZeroTol 2.0’s patented formula uses peroxyacetic acid (PAA) and hydrogen peroxide (H2O2) to instantly oxidize algae, bacteria, fungi and some viruses.

Zerotol 2.0 is labeled for use on: Seeds, bulbs and unrooted cuttings, young plants, propagation material, hydroponic crops, greenhouse vegetable and fruit, ornamentals, nursery stock, trees, turf and synthetic/artificial turf.

  • Active Ingredients Hydrogen Peroxide Peroxyacetic Acid
  • Certifications OMRI Listed Section 2 (ee) Recommendation
Greenhouse full of almost ripe and ripe red tomatoes

Why ZeroTol 2.0?

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  • Easy to use in any IPM program
  • Kills instantly — Pathogens and their spores
  • No resistance possible
  • Tank mixes with conventional and biological products
  • Minimal REI on foliar sprays
  • Multiple applications — Spray, drench, fog, hydroponics, water treatment
Tomato plants and cucumber plants in vegetable greenhouses

ZeroTol 2.0 controls the following pathogens

  • Algae
  • Alternaria
  • Anthracnose
  • Aphanomyces
  • Bacterial spots and rots
  • Botrytis (grey mold)
  • Downy Mildew
  • Erwinia, Fusarium (root rot)
  • Leaf Spot
  • Phytophthora (blights, rots)
  • Plasmopara
  • Powdery Mildew
  • Pseudomonas
  • Pythium
  • Rhizoctonia
  • Rust
  • Scab
  • Smut
  • Thielaviopsis
  • Uncinula (powdery mildew)
  • Xanthomonas
  • Wilts & Blights
  • Ralstonia solanacearum (brown rot, bacterial wilt)
  • Sclerotinia sclerotiorum (white mold)
  • Tobacco mosaic

What makes ZeroTol 2.0 different from other products?

ZeroTol 2.0 is the fire extinguisher for bacterial, fungal, or algal fires. ZeroTol 2.0 provides an immediate knockdown of organisms that could harm turf and ornamentals. Most algaecides and fungicides need time to affect harmful organisms; this could lead to a mutational resistance of these chemistries. Due to ZeroTol 2.0’s fast-acting oxidation process, mutational resistance is not possible.

  • How to Use ZeroTol 2.0
    ZeroTol 2.0 Application Rates
    Foliar spray 0.5–1.25 fl. oz./gallon. Use non-ionic spreader/sticker. Use lower rate more frequently on softer vegetation.
    Spray Intervals: 5–7 days
    Drench 0.5–1.25 fl. oz./gallon. Use non-ionic wetting agent.
    Spray Intervals: As needed to remove root zone infestation
    Mist propagation - continuous rate 25.6 fl. oz.–128 fl. oz./1,000 gallons
    Cutting dip 0.5 fl. oz./gallon. 45–60 seconds, air dry
    Turf 1.25–2.5 fl. oz./1,000 sq. ft. 2–3 gallon solution. Use non-ionic wetting agent to aid penetration and contact.
    Boom irrigation When using boom irrigation inject ZeroTol 2.0 as a continuous application at a rate of 1:2,500-1:5,000.
    Fogging ZeroTol 2.0 can be applied as an aerosol/fog using approved commercial cold or thermo fogging equipment. Use a rate of 5.0-16.0 fl. oz. of ZeroTol 2.0 per 10,000 sq. ft of greenhouse area mixed in 0.5-1.0 gallon of water.
    * Not approved for use in California
    Pre-plant dip Use 64 fl. oz. per 50 gallons of water, a dilution of 1:100. 2. Immerse plants or cuttings. Remove and allow to drain. Do not rinse.
    Nutrient/Reservoir tank Use at a rate of 1:2,000-1:10,000 (0.128-0.64 fl. oz per 10 gallons of water). Use lower rates (1:5,000 or less) for seedlings and/or plants with sensitive root systems. Recharge as needed when fresh water is added, or at least once every 5-7 days.
  • ZeroTol 2.0 tank mix and spray instructions

    Conventional Fungicides

    Active Ingredient Product Name (Examples) Compatibility
    Azoxystrobin Heritage, Mural*
    Boscalid Pageant Intrinsic*
    Captan Captan
    Chlorothalonil Clevis*, ConSyst*, Concert II*, Daconil Ultrex, Daconil, Weatherstik, Echo, Exotherm Termil, Manicure 6F
    Copper Hydroxide CuPRO 5000, Kalmor
    Cyazofamid Segway
    Fenhexamid Decree
    Fenamidone Fenstop
    Fluaxastrobin Disarm
    Fludioxonil Medallion
    Flutalonil Prostar
    Fluopicolide Adorn
    Fosetyl-aluminum Aliette
    Iprodione Chipco 26019, Lesco 18 Plus, OHP 26GT-O, 26/36*
    Mancozeb Clevis*, Dithane, Fore, Junction WSP, Pentathlon, Protect, Zyban*
    Mefenoxam Subdue MAXX
    Metconazole Tourney
    Myclobutanil Clevis*, Eagle, MANhandle*, Systhane
    Propiconazole Banner MAXX, Concert II*
    Phosphorus Acid OxiPhos, Alude
    Tebuconazole Torque
    Thiophanate-methyl AllBan Flo, Banrot*, 3336, ConSyst*, OHP 6672, Spectro 90*, SysTec 1998, T-Storm, TM 4.5, TM/C*, 26/36*, Zyban*
    Triflumizole TerraGuard SC
    Triticonazole Trinity
    Trifloxystrobin Compass

    Conventional Insecticides/Miticides

    Active Ingredient Product Name (Examples) Compatibility
    Abamectin Avid
    Acephate Orthene/1300 Orthene TR/ Precise
    Acetamiprid TriStar
    Bifenthrin Attain TR/Talstar
    Chlorpyrifos DuraGuard ME
    Cyromazine Citation
    Diflubenzuron Adept
    Flonicamid Aria
    Imidacloprid Marathon/Benefit/Mantra
    Spinetoram XXpire
    Thiamethuxam Flagship

    Organic/Biorational/Botanical Bactericides/Fungicides/Insecticides/Miticides

    Active Ingredient Product Name (Examples) Compatibility
    Azadirachtin AzaGuard, Azatin O, Azatin XL
    Clarified Hydrophobic Extract of Neem Oil Triact 70
    Copper Octonoate Camelot O
    Mineral oil Ultra-Pure Oil/SuffOil-X
    Potassium salts of fatty acids M-Pede
    Pyrethrins Pyrethrum, Azera, Pyganic EC
    Spinosad Conserve
    Sulfur Microthiol Disperss
    Sodium Percarbonate PerCarb, TerraCytePRO

    Bio-Fungicides/Bio-Insecticides

    Active Ingredient Product Name (Examples) Compatibility
    Beauveria bassiana BioCeres WP, BotaniGard
    Isaria fumosorosea Ancora
    Metarhizium anisopliae Met52
    Gliocladium catenulatum PVent, PreStop
    Streptomyces lydicus Actinovate
    Streptomyces griseovirdis MycoStop
    Bacillus subtilis (various strains) Cease, Rhapsody, Companion
    Bacillus amyloliquefaciens (various strains) Double-Nickel, Triathlon
    Coniothyrium minitans Contans
    Trichoderma harzianum Root-Shield
    Trichoderma virens SoilGard

    Surfactants

    Active Ingredient Product Name (Examples) Compatibility
    Alkyl phenol ethoxylate/Alcohol ethoxylate Activator 90
    Yucca Extract (Saponin) Yucca Agaide, ThermX-70

    * Compatibility at 1.0% v/v (1:100) strength ZeroTol 2.0 solution. It’s recommended to add ZeroTol 2.0 first to full volume of water in tank, mix and then add the tank mix partner.

    • ZeroTol 2.0 solution is tank mix compatible with listed solution. Due to varied sensitivity of plants to chemicals under given set of growing conditions and plant varieties, it’s recommended to conduct an additional phytotoxicity evaluation on small set of plants to ensure tank mix solution is safe before using on large scale.

    • ZeroTol 2.0 solution is either not tank mix compatible or tank mix partner is not specifically tested for compatibility. Standard jar test and phytotoxicity evaluations need to be conducted before considering for tank mixing.