Skip to content
WATCH: CANNA Nutrient Review with Chris from CANNA!
WATCH: CANNA Nutrient Review with Chris from CANNA!
general hydroponics nutrients

General Hydroponics

General Hydroponics provides superior results in both soil and hydroponic gardens, offering total nutrition as a mineral-based plant food.

Filters

  • GH CALiMAGic Quart
    Save up to $4,489.72 Save $0.00
    Original price $23.03 - Original price $10,846.72
    Original price $23.03 - Original price $10,846.72
    Original price $23.03
    $19.00 - $6,357.00
    $19.00 - $6,357.00
    Current price $19.00

    General Hydroponics CALiMAGic 1 - 0 - 0

    General Hydroponics

    CALiMAGic™ is a concentrated blend of readily available calcium and magnesium. It is formulated to assist fast growing plants by preventing second...

    View full details
    Original price $23.03 - Original price $10,846.72
    Original price $23.03 - Original price $10,846.72
    Original price $23.03
    $19.00 - $6,357.00
    $19.00 - $6,357.00
    Current price $19.00
    Save up to $4,489.72 Save $0.00
  • GH pH Down Liquid Quart
    Save up to $11.16 Save $0.00
    Original price $13.70 - Original price $34.16
    Original price $13.70 - Original price $34.16
    Original price $13.70
    $9.00 - $23.00
    $9.00 - $23.00
    Current price $9.00

    General Hydroponics pH Down Liquid

    General Hydroponics

    The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.

    Original price $13.70 - Original price $34.16
    Original price $13.70 - Original price $34.16
    Original price $13.70
    $9.00 - $23.00
    $9.00 - $23.00
    Current price $9.00
    Save up to $11.16 Save $0.00
  • GH pH Control Kit
    Save $6.89 Save $0.00
    Original price $21.89
    Original price $21.89 - Original price $21.89
    Original price $21.89
    Current price $15.00
    $15.00 - $15.00
    Current price $15.00

    General Hydroponics pH Control Kit

    General Hydroponics

    General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial. Testing your solution takes just a few moments. Star...

    View full details
    Original price $21.89
    Original price $21.89 - Original price $21.89
    Original price $21.89
    Current price $15.00
    $15.00 - $15.00
    Current price $15.00
    Save $6.89 Save $0.00
  • GH 6 Gallon Container Spigot
    Save $1.36 Save $0.00
    Original price $5.36
    Original price $5.36 - Original price $5.36
    Original price $5.36
    Current price $4.00
    $4.00 - $4.00
    Current price $4.00

    General Hydroponics 6 Gallon Container Spigot

    General Hydroponics

    For use with all General Hydroponics® 6 gallon containers.

    Original price $5.36
    Original price $5.36 - Original price $5.36
    Original price $5.36
    Current price $4.00
    $4.00 - $4.00
    Current price $4.00
    Save $1.36 Save $0.00
  • GH Rapid Rooter 50 Cell Plug Tray
    Save $10.35 Save $0.00
    Original price $29.35
    Original price $29.35 - Original price $29.35
    Original price $29.35
    Current price $19.00
    $19.00 - $19.00
    Current price $19.00

    General Hydroponics Rapid Rooter 50 Cell Plug Tray

    General Hydroponics

    Rapid Rooter® plugs are all-natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings o...

    View full details
    Original price $29.35
    Original price $29.35 - Original price $29.35
    Original price $29.35
    Current price $19.00
    $19.00 - $19.00
    Current price $19.00
    Save $10.35 Save $0.00
  • GH Rapid Rooter 50/Pack Replacement Plugs
    Save $6.62 Save $0.00
    Original price $21.62
    Original price $21.62 - Original price $21.62
    Original price $21.62
    Current price $15.00
    $15.00 - $15.00
    Current price $15.00

    General Hydroponics Rapid Rooter 50/Pack Replacement Plugs

    General Hydroponics

    Rapid Rooter® plugs are all-natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings o...

    View full details
    Original price $21.62
    Original price $21.62 - Original price $21.62
    Original price $21.62
    Current price $15.00
    $15.00 - $15.00
    Current price $15.00
    Save $6.62 Save $0.00
  • GH Cocotek Bale 5 kg
    Save $3.98 Save $0.00
    Original price $12.98
    Original price $12.98 - Original price $12.98
    Original price $12.98
    Current price $9.00
    $9.00 - $9.00
    Current price $9.00

    General Hydroponics Cocotek Bale (5kg)-PALLETS ONLY(200)

    General Hydroponics

    **DISCLAIMER: ONLY AVAILABLE IN PALLETS** **SHIPPING RATES BASED ON DIMENSIONAL AVERAGES, SUBJECT TO CHANGE (YOU WILL BE REFUNDED THE DIFFERENCE)*...

    View full details
    Original price $12.98
    Original price $12.98 - Original price $12.98
    Original price $12.98
    Current price $9.00
    $9.00 - $9.00
    Current price $9.00
    Save $3.98 Save $0.00
  • GH MaxiBloom 16 lb
    GH MaxiBloom 2.2 lb
    Save up to $173.47 Save $0.00
    Original price $20.69 - Original price $420.47
    Original price $20.69 - Original price $420.47
    Original price $20.69
    $14.00 - $247.00
    $14.00 - $247.00
    Current price $14.00

    General Hydroponics® MaxiBloom™ 5 - 15 - 14

    General Hydroponics

    MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary and micronutrie...

    View full details
    Original price $20.69 - Original price $420.47
    Original price $20.69 - Original price $420.47
    Original price $20.69
    $14.00 - $247.00
    $14.00 - $247.00
    Current price $14.00
    Save up to $173.47 Save $0.00
  • GH MaxiGro 16 lb
    GH MaxiGro 2.2 lb
    Save up to $60.79 Save $0.00
    Original price $20.69 - Original price $149.79
    Original price $20.69 - Original price $149.79
    Original price $20.69
    $14.00 - $89.00
    $14.00 - $89.00
    Current price $14.00

    General Hydroponics® MaxiGro™ 10 - 5 - 14

    General Hydroponics

    MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary and micronutrie...

    View full details
    Original price $20.69 - Original price $149.79
    Original price $20.69 - Original price $149.79
    Original price $20.69
    $14.00 - $89.00
    $14.00 - $89.00
    Current price $14.00
    Save up to $60.79 Save $0.00
  • General Hydroponics FloraPro Grow Soluble 25 lb bag (
    Save $12.47 Save $0.00
    Original price $79.47
    Original price $79.47 - Original price $79.47
    Original price $79.47
    Current price $67.00
    $67.00 - $67.00
    Current price $67.00

    General Hydroponics® FloraPro™ Grow Soluble 9 - 11 - 19

    General Hydroponics

    FloraPro™ Grow is specially formulated for high value production crops where results and consistency are paramount. Our unique formulation and meth...

    View full details
    Original price $79.47
    Original price $79.47 - Original price $79.47
    Original price $79.47
    Current price $67.00
    $67.00 - $67.00
    Current price $67.00
    Save $12.47 Save $0.00
  • General Hydroponics FloraPro Bloom Soluble 25 lb bag (
    Save $12.47 Save $0.00
    Original price $79.47
    Original price $79.47 - Original price $79.47
    Original price $79.47
    Current price $67.00
    $67.00 - $67.00
    Current price $67.00

    General Hydroponics® FloraPro™ Bloom Soluble 6 - 10 - 21

    General Hydroponics

    FloraPro™ Bloom is specially formulated for high value production crops where results and consistency are paramount. Our unique formulation and met...

    View full details
    Original price $79.47
    Original price $79.47 - Original price $79.47
    Original price $79.47
    Current price $67.00
    $67.00 - $67.00
    Current price $67.00
    Save $12.47 Save $0.00
  • General Hydroponics FloraPro Calcium + Micros Soluble 25 lb bag (
    Save $12.47 Save $0.00
    Original price $79.47
    Original price $79.47 - Original price $79.47
    Original price $79.47
    Current price $67.00
    $67.00 - $67.00
    Current price $67.00

    General Hydroponics® FloraPro™ Calcium + Micros Soluble 14 - 0 - 0 + 17% Ca

    General Hydroponics

    FloraPro™ Calcium + Micros is specially formulated for high value production crops where results and consistency are paramount. Our unique formulat...

    View full details
    Original price $79.47
    Original price $79.47 - Original price $79.47
    Original price $79.47
    Current price $67.00
    $67.00 - $67.00
    Current price $67.00
    Save $12.47 Save $0.00
  • Save $2.66 Save $0.00
    Original price $13.66
    Original price $13.66 - Original price $13.66
    Original price $13.66
    Current price $11.00
    $11.00 - $11.00
    Current price $11.00

    General Hydroponics FloraBloom 0 - 5 - 4

    General Hydroponics

    Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorous, potassium, magnesium and sulfur.

    Original price $13.66
    Original price $13.66 - Original price $13.66
    Original price $13.66
    Current price $11.00
    $11.00 - $11.00
    Current price $11.00
    Save $2.66 Save $0.00
  • Save up to $72.35 Save $0.00
    Original price $55.73 - Original price $204.35
    Original price $55.73 - Original price $204.35
    Original price $55.73
    $36.00 - $132.00
    $36.00 - $132.00
    Current price $36.00

    Defguard Biofungicide Concentrate

    General Hydroponics

    The fact is, you can never totally eliminate disease-causing fungi and bacteria from your garden, residential landscape or residential greenhouse....

    View full details
    Original price $55.73 - Original price $204.35
    Original price $55.73 - Original price $204.35
    Original price $55.73
    $36.00 - $132.00
    $36.00 - $132.00
    Current price $36.00
    Save up to $72.35 Save $0.00
  • Save $47.73 Save $0.00
    Original price $130.73
    Original price $130.73 - Original price $130.73
    Original price $130.73
    Current price $83.00
    $83.00 - $83.00
    Current price $83.00

    Exile Insecticide Concentrate

    General Hydroponics

    Exile is one of the few that's both certified organic and registered as a fungicide. That means one product gives you all-natural pest and disease...

    View full details
    Original price $130.73
    Original price $130.73 - Original price $130.73
    Original price $130.73
    Current price $83.00
    $83.00 - $83.00
    Current price $83.00
    Save $47.73 Save $0.00
  • Save $55.99 Save $0.00
    Original price $153.99
    Original price $153.99 - Original price $153.99
    Original price $153.99
    Current price $98.00
    $98.00 - $98.00
    Current price $98.00

    Prevasyn Concentrate

    General Hydroponics

    Prevasyn is an insect repellant that makes life miserable for bugs. It features a highly concentrated mix of natural oils and capsicum oleoresin (...

    View full details
    Original price $153.99
    Original price $153.99 - Original price $153.99
    Original price $153.99
    Current price $98.00
    $98.00 - $98.00
    Current price $98.00
    Save $55.99 Save $0.00
  • GH Armor Si Gallon
    Save up to $962.20 Save $0.00
    Original price $20.48 - Original price $2,319.20
    Original price $20.48 - Original price $2,319.20
    Original price $20.48
    $17.00 - $1,357.00
    $17.00 - $1,357.00
    Current price $17.00

    General Hydroponics® Armor Si™ 0 - 0 - 4

    General Hydroponics

    Armor Si™ is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, coco coir and all type...

    View full details
    Original price $20.48 - Original price $2,319.20
    Original price $20.48 - Original price $2,319.20
    Original price $20.48
    $17.00 - $1,357.00
    $17.00 - $1,357.00
    Current price $17.00
    Save up to $962.20 Save $0.00
  • GH KoolBloom 16 lb
    GH KoolBloom 2.2 lb
    Save up to $110.89 Save $0.00
    Original price $37.40 - Original price $268.89
    Original price $37.40 - Original price $268.89
    Original price $37.40
    $25.00 - $158.00
    $25.00 - $158.00
    Current price $25.00

    General Hydroponics® KoolBloom® 2 - 45 - 28

    General Hydroponics

    KoolBloom® is a highly concentrated nutrient supplement that promotes abundant flowering and facilitates ripening in annual flowers and herbs....

    View full details
    Original price $37.40 - Original price $268.89
    Original price $37.40 - Original price $268.89
    Original price $37.40
    $25.00 - $158.00
    $25.00 - $158.00
    Current price $25.00
    Save up to $110.89 Save $0.00
  • GH Rapid Rooter Bulk Plugs (1
    Save $198.65 Save $0.00
    Original price $483.65
    Original price $483.65 - Original price $483.65
    Original price $483.65
    Current price $285.00
    $285.00 - $285.00
    Current price $285.00

    GH Rapid Rooter Bulk Plugs

    General Hydroponics

    Rapid Rooter® plugs are all-natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings or...

    View full details
    Original price $483.65
    Original price $483.65 - Original price $483.65
    Original price $483.65
    Current price $285.00
    $285.00 - $285.00
    Current price $285.00
    Save $198.65 Save $0.00
  • GH Flora Nectar FruitnFusion Gallon
    GH Flora Nectar FruitnFusion Quart
    Save up to $135.65 Save $0.00
    Original price $27.25 - Original price $332.65
    Original price $27.25 - Original price $332.65
    Original price $27.25
    $22.00 - $197.00
    $22.00 - $197.00
    Current price $22.00

    General Hydroponics® FloraNectar® FruitnFusion 0 - 0 - 1

    General Hydroponics

    FloraNectar® contains all natural raw cane sugar, molasses, malt syrup, select plant-based esters, L-amino acids, organic acids, vitamins and essen...

    View full details
    Original price $27.25 - Original price $332.65
    Original price $27.25 - Original price $332.65
    Original price $27.25
    $22.00 - $197.00
    $22.00 - $197.00
    Current price $22.00
    Save up to $135.65 Save $0.00
  • GH Flora Kleen Gallon
    GH Flora Kleen Quart
    Save up to $1,323.45 Save $0.00
    Original price $12.74 - Original price $4,491.45
    Original price $12.74 - Original price $4,491.45
    Original price $12.74
    $10.00 - $3,168.00
    $10.00 - $3,168.00
    Current price $10.00

    General Hydroponics FloraKleen

    General Hydroponics

    FloraKleen® removes fertilizer residues that can accumulate over time in hydroponic systems, growing media and potting soils. Use FloraKleen® month...

    View full details
    Original price $12.74 - Original price $4,491.45
    Original price $12.74 - Original price $4,491.45
    Original price $12.74
    $10.00 - $3,168.00
    $10.00 - $3,168.00
    Current price $10.00
    Save up to $1,323.45 Save $0.00
  • GH Dual Diaphragm Air Pump 320 GPH
    Save $62.29 Save $0.00
    Original price $153.29
    Original price $153.29 - Original price $153.29
    Original price $153.29
    Current price $91.00
    $91.00 - $91.00
    Current price $91.00

    GH Dual Diaphragm Air Pump 320 GPH

    General Hydroponics

    The General Hydroponics® Dual Diaphragm air pump is extremely quiet and the only air pump in the world manufactured exclusively for hydroponics sys...

    View full details
    Original price $153.29
    Original price $153.29 - Original price $153.29
    Original price $153.29
    Current price $91.00
    $91.00 - $91.00
    Current price $91.00
    Save $62.29 Save $0.00
  • GH Diamond Nectar Gallon
    GH Diamond Nectar Quart
    Save up to $860.82 Save $0.00
    Original price $23.65 - Original price $2,091.82
    Original price $23.65 - Original price $2,091.82
    Original price $23.65
    $19.00 - $1,231.00
    $19.00 - $1,231.00
    Current price $19.00

    General Hydroponics® Diamond Nectar® 0 - 1 - 1

    General Hydroponics

    Diamond Nectar® accelerates nutrient absorption where mineral foods enter the plant. Diamond Nectar® applies the chelating action of humic acids to...

    View full details
    Original price $23.65 - Original price $2,091.82
    Original price $23.65 - Original price $2,091.82
    Original price $23.65
    $19.00 - $1,231.00
    $19.00 - $1,231.00
    Current price $19.00
    Save up to $860.82 Save $0.00
  • GH pH Test Indicator 8 oz
    GH pH Test Kit 1 oz
    Save up to $2.98 Save $0.00
    Original price $9.59 - Original price $13.98
    Original price $9.59 - Original price $13.98
    Original price $9.59
    $7.90 - $11.00
    $7.90 - $11.00
    Current price $7.90

    General Hydroponics® pH Test Kit

    General Hydroponics

    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 obse...

    View full details
    Original price $9.59 - Original price $13.98
    Original price $9.59 - Original price $13.98
    Original price $9.59
    $7.90 - $11.00
    $7.90 - $11.00
    Current price $7.90
    Save up to $2.98 Save $0.00