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Sierra Natural Science

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  • $11.99
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    Current price $11.99

    203 Soil Drench/Foliar Spray - OMRI Listed

    Sierra Natural Science
    In stock

      Made of rosemary and clove botanical extracts, 203 Concentrated Soil Drench and Foliar Spray has been developed to control damaging soil-borne pe...

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    $11.99
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  • $11.49
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    $11.49
    Current price $11.49

    209 Systemic Pest Control - OMRI Listed

    Sierra Natural Science
    In stock

      209 Systemic Pest Control approaches the problem of insect pest control by working within the plant itself. This unique organic formula contains ...

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  • $23.99
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    $23.99
    Current price $23.99

    217 Spider Mite Control Ready-To-Use Formula - OMRI Listed

    Sierra Natural Science
    Low stock

      Spider Mites destroy plant cells by sucking out their contents and SNS 217 Spider Mite Control RTU formula works by providing a barrier that is h...

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    $23.99
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  • $13.99
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    $13.99
    Current price $13.99

    217C Spider Mite Control Concentrate - OMRI Listed

    Sierra Natural Science
    In stock

      217C's unique formula works by providing a barrier which is harmless to the plant, but fatal to the mites. Spider mites destroy plant cells by su...

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  • $25.99
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    $25.99
    Current price $25.99

    244 Fungicide Ready-To-Use

    Sierra Natural Science
    In stock

      SNS 244 Fungicide Ready-To-Use is absorbed systemically by the plant, suppressing the life cycle of the fungal spores nurturing a plant’s ability...

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    $25.99
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  • $13.99
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    $13.99
    Current price $13.99

    244C Fungal Control Concentrate - OMRI Listed

    Sierra Natural Science
    In stock

    244C Fungal Control Concentrate is absorbed systemically by the plant, suppressing the life cycle of the fungal spores nurturing a plant’s ability...

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    $13.99
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    $13.99
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  • $13.99
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    $13.99
    Current price $13.99

    DC Disease & Fungal Control - OMRI Listed

    Sierra Natural Science
    In stock

    SNS-DC Disease & Fungal Control RTU provides a barrier and protective preservative shield for plants to heal and protect them against damaging ...

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    $13.99
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  • $197.99
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    $197.99
    Current price $197.99

    DC+ AG Disease & Fungal Control - OMRI Listed - 2.5 Gallons

    Sierra Natural Science
    In stock

    Sierra Natural Science DC+AG provides a barrier and protective preservative shield for plants to heal and protect them against damaging microbes. T...

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    $197.99
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    $197.99
    Current price $197.99
  • $13.99
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    $13.99
    Current price $13.99

    PC Insecticide - OMRI Listed

    Sierra Natural Science
    In stock

      SNS PC disrupts the insect cell structure and respiratory membranes causing the insect to dehydrate, suffocate, and die. Control of the insect is...

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    $13.99
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    Current price $13.99
  • $220.99
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    $220.99
    Current price $220.99

    PC+ AG Insecticide - OMRI Listed - 2.5 Gallons

    Sierra Natural Science
    In stock

      Sierra Natural Science PC+ AG disrupts the insect cell structure and respiratory membranes causing the insect to dehydrate, suffocate, and die. C...

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    $220.99
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    $220.99
    Current price $220.99
  • $245.99
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    $245.99
    Current price $245.99

    Systemica AG Systemic Insecticide

    Sierra Natural Science
    In stock

      Systemica Insect Killer is a unique all-natural and organic formula that works as a two-in-one spray and root drench solution. Use as a foliar sp...

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    $245.99
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    $245.99
    Current price $245.99
  • $32.99
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    Original price
    $32.99
    Current price $32.99

    Systemica Insect Killer With Hose-End Sprayer - OMRI Listed

    Sierra Natural Science
    In stock

      Systemica Insect Killer with Hose-End Sprayer is a unique all-natural and organic formula that works as a two-in-one spray and root drench soluti...

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    $32.99
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    $32.99
    Current price $32.99
  • $13.99
    Original price $0.00 - Original price $0.00
    Original price
    $13.99
    Current price $13.99

    WeedRot Weed Killer Concentrate

    Sierra Natural Science
    In stock

    SNS WeedRot Weed Killer Concentrate is a post-emergent, non-selective weed killer uses a patent pending formula featuring Citric Acid to efficientl...

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    $13.99
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    $13.99
    Current price $13.99

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