Mildew & Disease Control

Keep pests such as spider mites, thrips, aphids, white flys and fungus gnats or plant diseases like powdery mildew, root rot and blight at bay to maintain a healthy garden! All of the our pest and disease control products at Horizen Hydroponics are proven to be effective at eliminating or deterring common garden nuisances. Preventative maintenance is critical to keeping plants healthy throughout life. Use products containing organic essential oils such as Zen Products Angry John's Leaf Wash to provide your plants a barrier from harmful garden pests. Free Shipping available on orders over $250.

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  1. Actinovate Fungicide 2 oz

    Actinovate biological fungicide uses the beneficial bacteria, Streptomyces Lydicus, to control soil-borne diseases including pythium and fusarium as well as foliar diseases like powdery mildew. Learn More
    $19.99 Price:
  2. SNS 244 Fungicide RTU 14 oz

    SNS 244 Fungicide is made up of 100% pure thyme botanical extracts. Learn More
    $13.50 Price:
  3. SNS 244 Fungicide RTU 32 oz

    SNS 244 Fungicide is made up of 100% pure thyme botanical extracts. Learn More
    $22.50 Price:
  4. SNS 209 Systemic Pest Control Concentrate, 16 oz

    SNS 209 supplies plants with a small amount of rosemeric acid, distributing it throughout cell walls. When an insect starts to suck or chew on the plant and contacts the rosemeric acid, it stops eating and moves on. SNS-209 Systemic Insect Control is made up of 100% pure botanical extracts that are highly water soluble. The botanical extracts are all food-grade GRAS (generally recognized as safe) materials. Learn More
    $18.75 Price:
  5. Actinovate Fungicide 18 oz

    Actinovate biological fungicide uses the beneficial bacteria, Streptomyces Lydicus, to control soil-borne diseases including pythium and fusarium as well as foliar diseases like powdery mildew. Learn More
    $134.99 Price:
  6. Ed Rosenthal's Zero Tolerance Herbal Fungicide Gal

    Zero Tolerance is ready to use, no mixing required. Zero Tolerance Herbal Fungicide kills fungus and plant pests, is family and pet friendly, fully bio-degradable and environmentally safe, and made of pure food grade ingredients. Learn More
    $54.00 Price:
  7. FoxFarm Bush Doctor Force of Nature Fungicide Concentrate, qt

    Bush Doctor® Force of Nature™ Fungicide controls powdery mildew for seven to 10 days with a 1 percent spray solution on many types of crops such as melons, squash, tomatoes, tree crops, grapes, cucumbers and flowers. Learn More
    $32.00 Price:
  8. GH Defguard Biofungicide / Bactericide Pint

    General Hydroponics Defguard Biofungicide/Bactericide is an OMRI-listed biofungicide and bactericide for use in organic gardening that's effective against a variety of pathogens, particularly botrytis (which causes botrytis blight, or gray mold) and powdery mildew. Learn More
    $22.00 Price:
  9. GH Defguard Biofungicide / Bactericide Quart

    General Hydroponics Defguard Biofungicide/Bactericide is an OMRI-listed biofungicide and bactericide for use in organic gardening that's effective against a variety of pathogens, particularly botrytis (which causes botrytis blight, or gray mold) and powdery mildew. Learn More
    $43.00 Price:
  10. GH Defguard Biofungicide / Bactericide Gallon

    General Hydroponics Defguard Biofungicide/Bactericide is an OMRI-listed biofungicide and bactericide for use in organic gardening that's effective against a variety of pathogens, particularly botrytis (which causes botrytis blight, or gray mold) and powdery mildew. Learn More
    $156.50 Price:

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