General Hydroponics

General Hydroponics

  • GH General Organics CaMg+ Quart (12/Cs) GH General Organics CaMg+ Quart (12/Cs)
    General Hydroponics

    GH General Organics CaMg+ Quart (12/Cs)

    CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is biologically catalyzed from oyster shell, dolomite lime and...
    $16.25
    $24.49
    $19.50
  • GH KoolBloom 16 lb GH KoolBloom 16 lb
    General Hydroponics

    GH KoolBloom 16 lb

    KoolBloom® is a highly concentrated nutrient supplement that promotes abundant flowering and facilitates ripening in annual flowers and herbs. KoolBloom® is rich with phosphorus and potassium and...
    $156.89
    $279.51
    $188.27
  • GH KoolBloom 2.2 lb (12/Cs) GH KoolBloom 2.2 lb (12/Cs)
    General Hydroponics

    GH KoolBloom 2.2 lb (12/Cs)

    KoolBloom® is a highly concentrated nutrient supplement that promotes abundant flowering and facilitates ripening in annual flowers and herbs. KoolBloom® is rich with phosphorus and potassium and...
    $25.96
    $38.87
    $31.15
  • GH Liquid KoolBloom 2.5 Gallon (2/Cs) GH Liquid KoolBloom 2.5 Gallon (2/Cs)
    General Hydroponics

    GH Liquid KoolBloom 2.5 Gallon (2/Cs)

    Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils,...
    $116.79
    $188.44
    $140.15
  • GH Liquid Koolbloom 275 Gallon Tote (1/Plt) GH Liquid Koolbloom 275 Gallon Tote (1/Plt)
    General Hydroponics

    GH Liquid Koolbloom 275 Gallon Tote (1/Plt)

    Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils,...
    $8,346.39
    $14,838.09
    $10,015.67
  • GH Liquid KoolBloom 55 Gallon GH Liquid KoolBloom 55 Gallon
    General Hydroponics

    GH Liquid KoolBloom 55 Gallon

    Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils,...
    $1,964.66
    $3,492.81
    $2,357.60
  • GH Liquid KoolBloom 6 Gallon GH Liquid KoolBloom 6 Gallon
    General Hydroponics

    GH Liquid KoolBloom 6 Gallon

    Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils,...
    $238.59
    $423.48
    $286.31
  • GH Liquid KoolBloom Gallon (4/Cs) GH Liquid KoolBloom Gallon (4/Cs)
    General Hydroponics

    GH Liquid KoolBloom Gallon (4/Cs)

    Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils,...
    $54.50
    $87.92
    $65.40
  • GH Liquid KoolBloom Quart (12/Cs) GH Liquid KoolBloom Quart (12/Cs)
    General Hydroponics

    GH Liquid KoolBloom Quart (12/Cs)

    Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils,...
    $20.24
    $30.18
    $24.28
  • GH MaxiBloom 16 lb GH MaxiBloom 16 lb
    General Hydroponics

    GH MaxiBloom 16 lb

    MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary and micronutrients, pH buffered MaxiGro™ and MaxiBloom™ will...
    $87.51
    $155.71
    $105.02
  • GH MaxiBloom 2.2 lb (12/Cs) GH MaxiBloom 2.2 lb (12/Cs)
    General Hydroponics

    GH MaxiBloom 2.2 lb (12/Cs)

    MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary and micronutrients, pH buffered MaxiGro™ and MaxiBloom™ will...
    $14.28
    $21.51
    $17.14
  • GH MaxiBloom 50 lb GH MaxiBloom 50 lb
    General Hydroponics

    GH MaxiBloom 50 lb

    MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary and micronutrients, pH buffered MaxiGro™ and MaxiBloom™ will...
    $245.53
    $437.07
    $294.63
  • GH MaxiGro 16 lb GH MaxiGro 16 lb
    General Hydroponics

    GH MaxiGro 16 lb

    MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary and micronutrients, pH buffered MaxiGro™ and MaxiBloom™ will...
    $87.51
    $155.71
    $105.02
  • GH MaxiGro 50 lb GH MaxiGro 50 lb
    General Hydroponics

    GH MaxiGro 50 lb

    MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary and micronutrients, pH buffered MaxiGro™ and MaxiBloom™ will...
    $245.53
    $435.84
    $294.63
  • GH pH Control Kit (12/Cs)
    General Hydroponics

    GH pH Control Kit (12/Cs)

    General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.
    $15.19
    $22.75
    $18.23
  • GH pH Down 8 oz (12/Cs)
    General Hydroponics

    GH pH Down 8 oz (12/Cs)

    The acid formulation uses phosphoric acid to lower the pH to the proper level.
    $7.77
    $10.59
    $9.32
  • GH pH Test Indicator 8 oz
    General Hydroponics

    GH pH Test Indicator 8 oz

    General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial...
    $10.05
    $14.53
    $12.06
  • GH pH Up 8 oz (12/Cs)
    General Hydroponics

    GH pH Up 8 oz (12/Cs)

    This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.
    $7.77
    $10.59
    $9.32
  • GH pH Up Liquid Gallon (4/Cs)
    General Hydroponics

    GH pH Up Liquid Gallon (4/Cs)

    This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.
    $26.06
    $39.06
    $31.27
  • GH pH Up Liquid Quart (12/Cs)
    General Hydroponics

    GH pH Up Liquid Quart (12/Cs)

    This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.
    $10.85
    $15.68
    $13.02
  • GH ProRelease CC Container Formula 50lb.
    General Hydroponics

    GH ProRelease CC Container Formula 50lb.

    Desingned for Cooler Climates (CC) the General Hydroponics ProRelease Container Fertilizers are 100% coated granulated fertilizers. Designed for high value crops like cannabis, hemp and other...
    $109.18
    $127.71
    $131.01
  • GH ProRelease Field Formula 50LB
    General Hydroponics

    GH ProRelease Field Formula 50LB

    General Hydroponics ProRelease Field Formula 20-7-20 is a blend of coated and uncoated granulated fertilizers designed for high value field grown crops like hemp and other aromatherapeutic herbs...
    $51.70
    $61.27
    $62.04
  • GH PRORELEASE WC CONTAIN FORMULA 50LB
    General Hydroponics

    GH PRORELEASE WC CONTAIN FORMULA 50LB

    Desingned for Warmer Climates (WC) the General Hydroponics ProRelease Container Fertilizers are 100% coated granulated fertilizers. Designed for high value crops like cannabis, hemp and other...
    $109.18
    $127.71
    $131.01
  • GH Rapid Rooter 100/Pack Replacement Plugs GH Rapid Rooter 100/Pack Replacement Plugs
    General Hydroponics

    GH Rapid Rooter 100/Pack Replacement Plugs

    Rapid Rooter® plugs are all-natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings or cuttings. Transplant plugs in soil or soilless...
    $20.40
    $31.49
    $24.48
  • GH Rapid Rooter 50 Cell Plug Tray (12/Cs) GH Rapid Rooter 50 Cell Plug Tray (12/Cs)
    General Hydroponics

    GH Rapid Rooter 50 Cell Plug Tray (12/Cs)

    Rapid Rooter® plugs are all-natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings or cuttings. Transplant plugs in soil or soilless...
    $21.72
    $30.82
    $26.07
  • GH Rapid Rooter 50/Pack Replacement Plugs (12/Cs) GH Rapid Rooter 50/Pack Replacement Plugs (12/Cs)
    General Hydroponics

    GH Rapid Rooter 50/Pack Replacement Plugs (12/Cs)

    Rapid Rooter® plugs are all-natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings or cuttings. Transplant plugs in soil or soilless...
    $16.07
    $22.70
    $19.28
  • GH Rapid Rooter Bulk Plugs (1400/Cs) GH Rapid Rooter Bulk Plugs (1400/Cs)
    General Hydroponics

    GH Rapid Rooter Bulk Plugs (1400/Cs)

    Rapid Rooter® plugs are all-natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings or cuttings. Transplant plugs in soil or soilless...
    $279.06
    $494.99
    $334.88
  • GH Rapid Start 55 Gallon GH Rapid Start 55 Gallon
    General Hydroponics

    GH Rapid Start 55 Gallon

    RapidStart® is a plant nutrient used to promote root growth while enhancing plant vigor and yield. Strong root networks are linked to larger, more vigorous plants. RapidStart® helps plants develop...
    $17,171.59
    $30,400.12
    $20,605.91
  • GH RapidStart 1 Liter (6/Cs) GH RapidStart 1 Liter (6/Cs)
    General Hydroponics

    GH RapidStart 1 Liter (6/Cs)

    RapidStart® is a plant nutrient used to promote root growth while enhancing plant vigor and yield. Strong root networks are linked to larger, more vigorous plants. RapidStart® helps plants develop...
    $128.60
    $208.43
    $154.32
  • GH RapidStart 500 ml (12/Cs) GH RapidStart 500 ml (12/Cs)
    General Hydroponics

    GH RapidStart 500 ml (12/Cs)

    RapidStart® is a plant nutrient used to promote root growth while enhancing plant vigor and yield. Strong root networks are linked to larger, more vigorous plants. RapidStart® helps plants develop...
    $66.86
    $107.87
    $80.24
  • GH RapidStart 6 Gallon GH RapidStart 6 Gallon
    General Hydroponics

    GH RapidStart 6 Gallon

    RapidStart® is a plant nutrient used to promote root growth while enhancing plant vigor and yield. Strong root networks are linked to larger, more vigorous plants. RapidStart® helps plants develop...
    $2,120.20
    $3,989.30
    $2,544.24
  • GH RapidStart Gallon (4/Cs) GH RapidStart Gallon (4/Cs)
    General Hydroponics

    GH RapidStart Gallon (4/Cs)

    RapidStart® is a plant nutrient used to promote root growth while enhancing plant vigor and yield. Strong root networks are linked to larger, more vigorous plants. RapidStart® helps plants develop...
    $440.30
    $715.29
    $528.36
  • GH Ripen 6 Gallon GH Ripen 6 Gallon
    General Hydroponics

    GH Ripen 6 Gallon

    Ripen® 0.5-7-6 promotes increased and abundant flowering with greater oil and fragrance production. Ripen® is highly concentrated and provides macronutrients that are primarily responsible for flower...
    $315.06
    $560.69
    $378.08
  • GH Ripen Gallon (4/Cs) GH Ripen Gallon (4/Cs)
    General Hydroponics

    GH Ripen Gallon (4/Cs)

    Ripen® 0.5-7-6 promotes increased and abundant flowering with greater oil and fragrance production. Ripen® is highly concentrated and provides macronutrients that are primarily responsible for flower...
    $72.60
    $117.71
    $87.12
  • GH Ripen Quart (12/Cs) GH Ripen Quart (12/Cs)
    General Hydroponics

    GH Ripen Quart (12/Cs)

    Ripen® 0.5-7-6 promotes increased and abundant flowering with greater oil and fragrance production. Ripen® is highly concentrated and provides macronutrients that are primarily responsible for flower...
    $27.31
    $40.46
    $32.77
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