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H-K

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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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  • 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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  • 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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  • Jack's Nutrients Finish 7-15-30 - 2.2 LB Jack's Nutrients Finish 7-15-30 - 2.2 LB

    Jack's 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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  • 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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    $22.04
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  • Ionic PK Boost - 1 QT Ionic PK Boost - 1 QT

    Ionic PK Boost - 1 QT

    Hydrodynamics International - Ionic

    MSRP: $22.44
    $21.41
    Ionic® PK Boost is formulated to be applied during the final few weeks before harvest of most fruiting and/or flowering crops. It is designed to work with Ionic® Bloom products, but is also compatible with most liquid bloom nutrients...
    MSRP: $22.44
    $21.41
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  • Ionic Bloom - 1 QT Ionic Bloom - 1 QT

    Ionic Bloom - 1 QT

    Hydrodynamics International - Ionic

    MSRP: $22.44
    $21.41
    Ionic® Bloom is for the reproductive and flowering stage of growing plants. It delivers the essential elements to the roots of a plant in a more precise manner. Ionic Bloom is enhanced with the crucial elements that support increased budding...
    MSRP: $22.44
    $21.41
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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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  • Heavy 16 Fire - 16OZ/500ML Heavy 16 Fire - 16OZ/500ML

    Heavy 16 Fire - 16OZ/500ML

    Heavy 16

    MSRP: $99.99
    $76.91
    IMPROVES OVERALL PLANT NUTRITION IMPROVES SOIL/NUTRIENT CONDITIONS FOR BETTER CROP YIELD PROVIDES ORGANIC MATTER IMPROVES SOIL CONDITIONS FOR INCREASED PLANT VIGOR
    MSRP: $99.99
    $76.91
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  • Heavy 16 Prime - 8OZ/250ML Heavy 16 Prime - 8OZ/250ML

    Heavy 16 Prime - 8OZ/250ML

    Heavy 16

    MSRP: $35.99
    $27.68
    IMPROVES OVERALL PLANT NUTRITION IMPROVES SOIL/NUTRIENT CONDITIONS FOR BETTER CROP YIELD SUPPORTS MICROBIAL POPULATIONS SUPPORTS CONDITIONS FOR BETTER PLANT ESTABLISHMENT
    MSRP: $35.99
    $27.68
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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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  • Humboldt County's Own Sonic Bloom - 1 LB

    Humboldt County's Own Sonic Bloom - 1 LB

    Humboldt County's Own

    $44.99
     Looks like Powdered Sunshine!!! Emerald Triangle's ultra-potent PK booster takes it to the next level. 20 times the B1 of other popular PK boosters. The addition of the B1 vitamin puts this PK Booster into a class of its own. It provides nutrients...
    $44.99
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