Jack's Nutrients

Jack's Nutrients

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  • Jacks Nutrients Cal Nit Part B 15-0-0 - 2.2LB Jacks Nutrients Cal Nit Part B 15-0-0 - 2.2LB

    Jacks Nutrients Cal Nit Part B 15-0-0 - 2.2LB

    Jack's Nutrients

    MSRP: $22.99
    $20.24
    An essential "Part B" provides a very soluble and available source of calcium in a two-part nutrient system. Contains very pure and completely available calcium and nitrate nitrogen nutrient sources.
    MSRP: $22.99
    $20.24
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    MSRP: $22.99
    $20.24
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  • Jacks Nutrients Part A 5-12-26 - 2.2LB Jacks Nutrients Part A 5-12-26 - 2.2LB

    Jacks Nutrients Part A 5-12-26 - 2.2LB

    Jack's Nutrients

    MSRP: $23.99
    $23.39
    An improvement on the classic "Part A" formula for general vegetative growing. This redesigned blend is built with purely soluble and available nutrients to allow the grower maximum flexibility. Specific balance of macro, secondary and micronutrients...
    MSRP: $23.99
    $23.39
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    MSRP: $23.99
    $23.39
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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 10-30-20 Bloom 1kg 2.2LB

    Jack's Nutrients

    $24.74
    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.
    $24.74
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  • Jacks Nutrients Finish 7-15-30 - 2.2 LB Jacks Nutrients Finish 7-15-30 - 2.2 LB

    Jacks Nutrients Finish 7-15-30 - 2.2 LB

    Jack's Nutrients

    MSRP: $24.99
    $23.84
    You've always been told to finish strong. This formula is ideally formulated for this purpose to provide your plants with a very low nitrogen, high phosphorus and very high potassium content to keep the whole plant happy to the end of its crop cycle.
    MSRP: $24.99
    $23.84
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    $23.84
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  • Jacks Nutrients Clone 15-6-17 - 2.2LB Jacks Nutrients Clone 15-6-17 - 2.2LB

    Jacks Nutrients Clone 15-6-17 - 2.2LB

    Jack's Nutrients

    MSRP: $24.99
    $22.04
    Like a shot gun start for your new plants - this formula will help promote strong, and fast root growth and expansion. Best used for fertilizing young seedlings, transplants, clones and newly set rooted cuttings.
    MSRP: $24.99
    $22.04
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    MSRP: $24.99
    $22.04
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  • Jacks Nutrients Ultraviolet 5-50-18 - 2.2LB Jacks Nutrients Ultraviolet 5-50-18 - 2.2LB

    Jacks Nutrients Ultraviolet 5-50-18 - 2.2LB

    Jack's Nutrients

    MSRP: $26.99
    $26.09
    Get ready for a serious boost of available phosphorus. The primary goal of this formula is to assist in shutting down the strong vegetative growth stage of the plant and stimulate a switch to the reproductive or flowering phase of plant and flower...
    MSRP: $26.99
    $26.09
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    $26.09
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  • Jack's Nutrients 15-5-20 Tap 1kg 2.2LB Jack's Nutrients 15-5-20 Tap 1kg 2.2LB

    Jack's Nutrients 15-5-20 Tap 1kg 2.2LB

    Jack's Nutrients

    MSRP: $22.99
    $22.04
    Prefer Tap Water? Allow your plants to drink up this formula designed to provide all the macro, secondary and micro nutrients in a one-part system. Specifically formulated for tap, city or well water types with slightly higher alkalinity & pH. This...
    MSRP: $22.99
    $22.04
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    MSRP: $22.99
    $22.04
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  • Jacks Classic 1.5 Lb 10-30-20 Blossom Booster Fertilizer

    Jacks Classic 1.5 Lb 10-30-20 Blossom Booster Fertilizer

    Jack's Nutrients

    $14.99
    Professional formula for more flowers and brighter colors on all outdoor and indoor plants. Includes minor nutrients, too. Plastic tub with 100% waterproof labeling.
    $14.99
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  • Jacks Classic 1.5 Lb 20-20-20 All Purpose Fertilizer

    Jacks Classic 1.5 Lb 20-20-20 All Purpose Fertilizer

    Jack's Nutrients

    $14.99
    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...
    $14.99
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  • Jack's Classic 10-30-20 Bloom 25LB Jack's Classic 10-30-20 Bloom 25LB

    Jack's Classic 10-30-20 Bloom 25LB

    Jack's Nutrients

    MSRP: $135.50
    $121.95
    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.
    MSRP: $135.50
    $121.95
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    MSRP: $135.50
    $121.95
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  • Jacks Classic 10-30-20 Blossom Booster 4LB Jacks Classic 10-30-20 Blossom Booster 4LB

    Jacks Classic 10-30-20 Blossom Booster 4LB

    Jack's Nutrients

    $28.34
    Professional formula for more flowers and brighter colors on all outdoor and indoor plants. Includes minor nutrients, too. Plastic tub with 100% waterproof labeling.
    $28.34
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    $28.34
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  • Jacks Classic All Purpose 20-20-20 Fertilizer 4 LB Jacks Classic All Purpose 20-20-20 Fertilizer 4 LB

    Jacks Classic All Purpose 20-20-20 Fertilizer 4 LB

    Jack's Nutrients

    $28.34
    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...
    $28.34
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    $28.34
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