Collection: Additives

50 products
  • Botanicare Cal-Mag Plus Quart
    Botanicare Cal-Mag Plus Quart (12/Cs)
    Regular price
    $22.99
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    $22.99
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  • CANNA PK 13/14 0.25 L
    Regular price
    $9.99
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    $9.99
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  • CANNA BOOST 1 L
    Regular price
    $118.99
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    $118.99
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  • CANNA BOOST .25 L
    Regular price
    $44.00
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    $44.00
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  • General Hydroponics Liquid KoolBloom Quart
    GH Liquid KoolBloom Quart (12/Cs)
    Regular price
    $24.99
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    $24.99
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  • Botanicare Cal-Mag Plus Gallon
    Botanicare Cal-Mag Plus Gallon (4/Cs)
    Regular price
    $55.00
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    $55.00
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  • CANNA PK 13/14 1 L
    Regular price
    $26.99
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    $26.99
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  • Botanicare Silica Blast Quart
    Botanicare Silica Blast Quart (12/Cs)
    Regular price
    $22.99
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    $22.99
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  • General Hydroponics RapidStart 125 ml
    GH RapidStart 125 ml (24/Cs)
    Regular price
    $37.99
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    $37.99
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  • General Hydroponics CALiMAGic Quart
    GH CALiMAGic Quart (12/Cs)
    Regular price
    $24.99
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    $24.99
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  • General Hydroponics Armor Si Quart
    GH Armor Si Quart (12/Cs)
    Regular price
    $20.99
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    $20.99
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  • Advanced Nutrients Bud Candy®
    Regular price
    $24.00
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    $24.00
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  • Molasses - 1 gal
    Regular price
    $17.99
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    $17.99
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  • Botanicare Liquid Karma Quart
    Botanicare Liquid Karma Quart (12/Cs)
    Regular price
    $36.99
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    $36.99
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  • SUPERthrive 4 oz
    SUPERthrive 4 oz (12/Cs)
    Regular price
    $18.99
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    $18.99
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  • General Hydroponics Flora Nectar FruitnFusion Quart
    GH Flora Nectar FruitnFusion Quart (12/Cs)
    Regular price
    $27.99
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    $27.99
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  • Recharge 5lb
    Regular price
    $225.99
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    $225.99
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  • Garden Lime - 6.75"
    Regular price
    $5.99
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    $5.99
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  • CANNA CANNAZYM 10 L
    Regular price
    $295.99
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    $295.99
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  • CANNA CANNAZYM 5 L
    Regular price
    $165.99
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    $165.99
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  • Botanicare Liquid Karma Gallon
    Botanicare Liquid Karma Gallon (4/Cs)
    Regular price
    $89.99
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    $89.99
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  • Safergro Biomin Iron
    Regular price
    $14.99
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    $14.99
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  • Advanced Nutrients Overdrive
    Regular price
    $30.99
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    $30.99
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  • Advanced Nutrients Big Bud
    Regular price
    $35.00
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    $35.00
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  • Advanced Nutrients Bud Ignitor®
    Regular price
    $70.00
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    $70.00
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  • SUPERthrive Pint
    SUPERthrive Pint (12/Cs)
    Regular price
    $59.99
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    $59.99
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  • HydroDynamics Europonic Fossil Fuel Gallon
    HydroDynamics Europonic Fossil Fuel Gallon (4/Cs)
    Regular price
    $47.00
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    $47.00
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  • HydroDynamics Europonic Fossil Fuel Quart
    HydroDynamics Europonic Fossil Fuel Quart (12/Cs)
    Regular price
    $22.00
    Sale price
    $22.00
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  • Grotek Vegetative Growth Booster, 20 g
    Grotek Vegetative Growth Booster, 20 g
    Regular price
    $17.52
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    $17.52
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  • Grotek Blossom Blaster, 20 g
    Grotek Blossom Blaster, 20 g
    Regular price
    $12.99
    Sale price
    $12.99
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  • General Hydroponics Liquid KoolBloom Gallon
    GH Liquid KoolBloom Gallon (4/Cs)
    Regular price
    $88.99
    Sale price
    $88.99
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  • General Hydroponics KoolBloom 2.2 lb
    GH KoolBloom 2.2 lb (12/Cs)
    Regular price
    $38.99
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    $38.99
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