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Organic Fungicides

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Organic Fungicides

If you are a grower seeking organic solutions for fungus-related problems in your grow, organic fungicide is the answer! Groindoor.com offers a vast collection of the best organic fungicides for serious hobby and commercial growers looking to protect their plants. You can get rid of any algae, mildew, fungus, or mold that is threatening to ruin your plants' health without spending too much!   

What does natural fungicide for plants mean? 

Simply put, natural fungicide refers to a fungus-fighting product that has been derived from natural sources. These sources can be mineral specks of dust, plant oils, or other essential oil sources.  

As a grower who wants to ensure healthy plant growth, you must aim to avoid using fungicides as much as possible. It would be best if you tried to prevent the fungus from developing because that is easier to do than dealing with the fungus spread. The best way to prevent the buildup of fungus in your garden is to adjust the environment in a way that stops bugs and insects from entering it.  

Sometimes the fungus will develop in your garden despite all efforts. In this case, the first thing you can do to clean mildew or mold is to separate the affected plants from the healthy ones. You can put them outside your grow area. If that doesn’t work, you may try using an organic fungicide, for instance, baking soda.  

The best organic fungicide for plants 

Groindoor.com offers a wide variety of the most effective organic fungicides available today. They are super useful for fungus-related issues, including bud rot, powdery mildew, mold, and others. 

We offer brands like fox farm, safer brand, and general hydroponics, and BioSafe. Our products include some of the best in the market, including Safer Brand 3-in-1 Garden Spray. Also, look at our list of OMRI-listed fungicides, which includes the most strictly tested products available.  

You can visit our blog to read more about common grow room and garden diseases, and check out the pest control section on our site! 

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  • General Hydroponics Defguard Biofungicide and Bactericide, 2.5 Gallon General Hydroponics Defguard Biofungicide and Bactericide, 2.5 Gallon - Garden care

    General Hydroponics Defguard Biofungicide and Bactericide, 2.5 Gallon

    General Hydroponics

    MSRP: $421.82
    $169.95
    General Hydroponics Defguard Biofungicide and 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)...
    MSRP: $421.82
    $169.95
    Qty in Cart: 0
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    MSRP: $421.82
    $169.95
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  • General Hydroponics Defguard Biofungicide and Bactericide, 1 Gallon General Hydroponics Defguard Biofungicide and Bactericide, 1 Gallon - Garden care

    General Hydroponics Defguard Biofungicide and Bactericide, 1 Gallon

    General Hydroponics

    MSRP: $204.35
    $72.33
    General Hydroponics Defguard Biofungicide and 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)...
    MSRP: $204.35
    $72.33
    Qty in Cart: 0
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    MSRP: $204.35
    $72.33
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  • General Hydroponics Defguard Biofungicide and Bactericide, 1 Quart General Hydroponics Defguard Biofungicide and Bactericide, 1 Quart - Garden care

    General Hydroponics Defguard Biofungicide and Bactericide, 1 Quart

    General Hydroponics

    MSRP: $55.73
    $17.95
    General Hydroponics Defguard Biofungicide and 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)...
    MSRP: $55.73
    $17.95
    Qty in Cart: 0
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    MSRP: $55.73
    $17.95
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  • General Hydroponics Defguard Biofungicide and Bactericide, 1 Pint General Hydroponics Defguard Biofungicide and Bactericide, 1 Pint - Garden care

    General Hydroponics Defguard Biofungicide and Bactericide, 1 Pint

    General Hydroponics

    MSRP: $29.19
    $11.82
    General Hydroponics Defguard Biofungicide and 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)...
    MSRP: $29.19
    $11.82
    Qty in Cart: 0
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    MSRP: $29.19
    $11.82
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  • ActinovateLawnandGardenTurfConcentrate,18oz. ActinovateLawnandGardenTurfConcentrate,18oz. - Garden care

    ActinovateLawnandGardenTurfConcentrate,18oz.

    Actinovate

    MSRP: $171.86
    $159.95
    ActinovateforLawn&Gardencontainsahighconcentrationofapatentedbene?cialmicroorganism.Whenapplied,theActinovatemicrobegrowsontheplant'srootsandleaves,livingofftheplant'sby-productswhileatthesametimeattackingharmfuldiseasecausingpathogens...
    MSRP: $171.86
    $159.95
    Qty in Cart: 0
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    MSRP: $171.86
    $159.95
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  • PureCrop1 Fungicide & Insecticide, 55 Gallon Drum

    PureCrop1 Fungicide & Insecticide, 55 Gallon Drum

    PureCrop1

    MSRP: $10,800.00
    $9,453.11
    PureCrop1 Product Documents PureCrop1 Spec Sheet PureCrop1 SDS Natural Plant-Based Biostimulant, Insecticide, Fungicide, & Surfactant  PureCrop1 uses a multi faceted approach to plant health, using organic compounds to boost plant vitality, while...
    MSRP: $10,800.00
    $9,453.11
    Qty in Cart: 0
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    MSRP: $10,800.00
    $9,453.11
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  • PureCrop1 Fungicide & Insecticide, 30 Gallon Drum

    PureCrop1 Fungicide & Insecticide, 30 Gallon Drum

    PureCrop1

    MSRP: $5,900.00
    $5,148.30
    PureCrop1 Product Documents PureCrop1 Spec Sheet PureCrop1 SDS Natural Plant-Based Biostimulant, Insecticide, Fungicide, & Surfactant  PureCrop1 uses a multi faceted approach to plant health, using organic compounds to boost plant vitality, while...
    MSRP: $5,900.00
    $5,148.30
    Qty in Cart: 0
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    MSRP: $5,900.00
    $5,148.30
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  • PureCrop1 Fungicide & Insecticide, 275 Gallon Tote

    PureCrop1 Fungicide & Insecticide, 275 Gallon Tote

    PureCrop1

    MSRP: $36,093.75
    $27,929.99
    PureCrop1 Product Documents PureCrop1 Spec Sheet PureCrop1 SDS Natural Plant-Based Biostimulant, Insecticide, Fungicide, & Surfactant  PureCrop1 uses a multi faceted approach to plant health, using organic compounds to boost plant vitality, while...
    MSRP: $36,093.75
    $27,929.99
    Qty in Cart: 0
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    MSRP: $36,093.75
    $27,929.99
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  • PureCrop1 Fungicide & Insecticide, 2.5 Gallons

    PureCrop1 Fungicide & Insecticide, 2.5 Gallons

    PureCrop1

    MSRP: $499.99
    $403.77
    PureCrop1 Product Documents PureCrop1 Spec Sheet PureCrop1 SDS Natural Plant-Based Biostimulant, Insecticide, Fungicide, & Surfactant  PureCrop1 uses a multi faceted approach to plant health, using organic compounds to boost plant vitality, while...
    MSRP: $499.99
    $403.77
    Qty in Cart: 0
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    MSRP: $499.99
    $403.77
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  • PureCrop1 Fungicide & Insecticide, 16 oz

    PureCrop1 Fungicide & Insecticide, 16 oz

    PureCrop1

    MSRP: $63.99
    $27.44
    PureCrop1 Product Documents PureCrop1 Spec Sheet PureCrop1 SDS Natural Plant-Based Biostimulant, Insecticide, Fungicide, & Surfactant  PureCrop1 uses a multi faceted approach to plant health, using organic compounds to boost plant vitality, while...
    MSRP: $63.99
    $27.44
    Qty in Cart: 0
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    MSRP: $63.99
    $27.44
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  • PureCrop1 Fungicide & Insecticide, 1 Gallon

    PureCrop1 Fungicide & Insecticide, 1 Gallon

    PureCrop1

    MSRP: $208.49
    $173.25
    PureCrop1 Product Documents PureCrop1 Spec Sheet PureCrop1 SDS Natural Plant-Based Biostimulant, Insecticide, Fungicide, & Surfactant  PureCrop1 uses a multi faceted approach to plant health, using organic compounds to boost plant vitality, while...
    MSRP: $208.49
    $173.25
    Qty in Cart: 0
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    MSRP: $208.49
    $173.25
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  • PureCrop1 Fungicide & Insecticide, 0.5 Gallon

    PureCrop1 Fungicide & Insecticide, 0.5 Gallon

    PureCrop1

    MSRP: $124.99
    $96.43
    PureCrop1 Product Documents PureCrop1 Spec Sheet PureCrop1 SDS Natural Plant-Based Biostimulant, Insecticide, Fungicide, & Surfactant  PureCrop1 uses a multi faceted approach to plant health, using organic compounds to boost plant vitality, while...
    MSRP: $124.99
    $96.43
    Qty in Cart: 0
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    MSRP: $124.99
    $96.43
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