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H-K

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  • Jacks Classic 10-30-20 Blossom Booster 25LB

    Jacks Classic 10-30-20 Blossom Booster 25LB

    Jack's Nutrients

    $99.54
    Need a Boost of Flower Power? Our 1:3:2 major nutrient ratio has been trusted by Jack's Professional growers for over 70 years. This soluble and available nutrient combination stimulates blooming, resulting in heavy bud and fruit set.
    $99.54
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    $99.54
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  • House & Garden Aqua Flakes Starter Kit

    House & Garden Aqua Flakes Starter Kit

    House and Garden

    $189.00
    Aqua Flakes A&B provides the highest quality, fully soluble nutrients designed specifically for recirculating hydroponic applications. This low ppm base is perfect for ebb and flow, DWC, aeroponics, and any type of rockwool. Also use Aqua Flakes in...
    $189.00
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    $189.00
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  • Heavy 16 Foliar - 1 GAL

    Heavy 16 Foliar - 1 GAL

    Heavy 16

    $152.99
    IMPROVES OVERALL PLANT NUTRITION CORRECTS CALCIUM/MAGNESIUM-BASED PLANT DISORDERS IMPROVES TOLERANCE OF ABIOTIC STRESS
    $152.99
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    $152.99
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  • Jack's Nutrients 10-30-20 Bloom 1kg 2.2LB

    Jack's Nutrients 10-30-20 Bloom 1kg 2.2LB

    Jack's Nutrients

    $21.59
    Need a Boost of Flower Power? Our 1:3:2 major nutrient ratio has been trusted by Jack's Professional growers for over 70 years. This soluble and available nutrient combination stimulates blooming, resulting in heavy bud and fruit set.
    $21.59
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    $21.59
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  • Jacks Classic 10-30-20 Blossom Booster 4LB

    Jacks Classic 10-30-20 Blossom Booster 4LB

    Jack's Nutrients

    $23.81
    Professional formula for more flowers and brighter colors on all outdoor and indoor plants. Includes minor nutrients, too. Plastic tub with 100% waterproof labeling.
    $23.81
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    $23.81
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  • Jack's Classic All Purpose 20-20-20 Fertilizer 4 LB

    Jack's Classic All Purpose 20-20-20 Fertilizer 4 LB

    Jack's Nutrients

    $23.39
    More professional growers have used this product for all their growing needs than any other formula. It is a balanced blend of Nitrogen, Phosphorus and Potassium with fully chelated trace elements that works on all plant materials as a general-purpose...
    $23.39
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    $23.39
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  • Jacks Classic All Purpose 20-20-20 Fertilizer 10 LB

    Jacks Classic All Purpose 20-20-20 Fertilizer 10 LB

    Jack's Nutrients

    $41.84
    More professional growers have used this product for all their growing needs than any other formula. It is a balanced blend of Nitrogen, Phosphorus and Potassium with fully chelated trace elements that works on all plant materials as a general-purpose...
    $41.84
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    $41.84
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  • Heavy 16 Fire - 32oz/946ml

    Heavy 16 Fire - 32oz/946ml

    Heavy 16

    $152.99
    IMPROVES OVERALL PLANT NUTRITION IMPROVES SOIL/NUTRIENT CONDITIONS FOR BETTER CROP YIELD PROVIDES ORGANIC MATTER IMPROVES SOIL CONDITIONS FOR INCREASED PLANT VIGOR
    $152.99
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    $152.99
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  • House & Garden Magnesium Boost - 1 L

    House & Garden Magnesium Boost - 1 L

    House and Garden

    $33.05
    Magnesium Boost supports longer vegetative growth and larger-leafed varieties by supplying additional magnesium and nitrogen. Magnesium and nitrogen are central components of chlorophyll, the plant pigment that absorbs light and harbors photosynthesis.
    $33.05
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    $33.05
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  • House & Garden Magnesium Boost - 5 L

    House & Garden Magnesium Boost - 5 L

    House and Garden

    $153.90
    Magnesium Boost supports longer vegetative growth and larger-leafed varieties by supplying additional magnesium and nitrogen. Magnesium and nitrogen are central components of chlorophyll, the plant pigment that absorbs light and harbors photosynthesis.
    $153.90
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    $153.90
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  • Heavy 16 Fire - 1 GAL

    Heavy 16 Fire - 1 GAL

    Heavy 16

    MSRP: $489.99
    $440.99
    IMPROVES OVERALL PLANT NUTRITION IMPROVES SOIL/NUTRIENT CONDITIONS FOR BETTER CROP YIELD PROVIDES ORGANIC MATTER IMPROVES SOIL CONDITIONS FOR INCREASED PLANT VIGOR
    MSRP: $489.99
    $440.99
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    MSRP: $489.99
    $440.99
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  • House And Garden Roots Excelurator Silver - 500ML

    House And Garden Roots Excelurator Silver - 500ML

    House and Garden

    MSRP: $138.71
    $124.84
    House & Garden Roots Excelurator Silver is the classic formula that is compatible in hydroponic and recirculating systems.
    MSRP: $138.71
    $124.84
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    MSRP: $138.71
    $124.84
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