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  • General Organics BioBud - HydroPros

    General Organics BioBud

    General Organics
    from $29.86

    General Hydroponics General Organics Bio Bud Bloom Booster 1 Quart Product Description Premium Plant Nutrient 0.5-0.1-1 Bio Bud is a powerful bloom...

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    from $29.86
  • General Organics BioMarine - HydroPros
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    General Organics BioMarine

    General Organics
    from $12.06

    BioMarine is an enzamatically digested fish protein that naturally enhances soil and boosts plant growth. This fish-based fertilizer encourages ben...

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    from $12.06
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  • General Organics BioRoot - HydroPros

    General Organics BioRoot

    General Organics
    from $13.94

    General Hydroponics General Organics Bio Root, Root Booster 1 Quart Product Premium Plant Nutrient BioRoot is a natural plant growth supplement th...

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    from $13.94
  • General Organics BioThrive Bloom - HydroPros

    General Organics BioThrive Bloom

    General Organics
    from $12.78

    BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Sp...

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    from $12.78
  • General Organics BioThrive Grow - HydroPros

    General Organics BioThrive Grow

    General Organics
    from $12.78

    BioThrive® Grow is formulated to maximize vegetative growth by supplying plants with a custom diet that stimulates vigorous root and foliage develo...

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    from $12.78
  • General Organics BioWeed - HydroPros

    General Organics BioWeed

    General Organics
    from $14.38

    BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized as s...

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    from $14.38
  • General Organics CaMg+ - HydroPros

    General Organics CaMg+

    General Organics
    from $12.86

    CaMg+ helps optimize plant nutrition resulting in enhanced growth and healthier flowers and fruits. CaMg+ is a blend of fermented calcium and magne...

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    from $12.86
  • General Organics Diamond Black - HydroPros

    General Organics Diamond Black

    General Organics
    from $12.06

    Diamond Black is derived from 100% pure Leonardite, a naturally occurring form of carbon drawn from prehistoric peat bogs. Diamond Black contains a...

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    from $12.06
  • Green Leaf One Scissors - HydroPros

    Green Leaf One Scissors

    Green Leaf One
    from $6.26

    This is a precision shear that gardeners need for tight and close quarter spaces. This shear allows users to fine-tune their plants precisely and e...

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    from $6.26
  • Green Planet Nutrients Liquid W-8 - HydroPros

    Green Planet Nutrients Liquid W-8

    Green Planet Nutrients
    from $15.37

    Give your plants the Midas touch. Liquid W-8 is a complex blend of organic enzyme activators, vitamins, essential amino acids and unique carboh...

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    from $15.37
  • Green Planet Nutrients Massive - HydroPros
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    Green Planet Nutrients Massive

    Green Planet Nutrients
    from $20.50

    Massive is a unique blend of vitamins, minerals and growth stimulants. It is a high performance flowering additive with organic components derived ...

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    from $20.50
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  • Green Planet Nutrients Medi-One - HydroPros
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    Green Planet Nutrients Medi-One

    Green Planet Nutrients
    from $22.37

    Medi-One is an exciting product that is 100% natural, intended for fast growing annuals. Medi-One is a complete one part grow through bloom. We hav...

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    from $22.37
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  • Green Planet Nutrients PRO-CAL - HydroPros
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    Green Planet Nutrients PRO-CAL

    Green Planet Nutrients
    from $11.98

    Pro-Cal is a highly beneficial calcium, magnesium and iron plant nutrient supplement. This recommended application rate normally is sufficient to m...

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    from $11.98
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  • Green Planet Nutrients Rezin - HydroPros
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    Green Planet Nutrients Rezin

    Green Planet Nutrients
    from $24.65

    Rezin is a one-of-a-kind formulation developed through a fermentation process. The organic acids will improve flavor, aroma, essential oil, and you...

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    from $24.65
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  • Green Premium Saucer - HydroPros

    Green Premium Saucer

    Hydrofarm
    from $0.99

    Hydrofarm Green premium These sturdy and reusable green saucers come in various sizes to match most pots. Use them to collect excess water drainag...

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    from $0.99
  • GreenGro Auto Pot Box Kit - HydroPros
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    GreenGro Auto Pot Box Kit

    Green Gro
    Original price $115.99
    Current price $99.98

    IMPROVES SOIL FERTILITY: Provides excellent habitat for beneficial soil microbes; Promotes robust and bountiful growth; Improves soil acidity; Incr...

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    Original price $115.99
    Current price $99.98
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  • GreenGro Earthshine - HydroPros

    GreenGro Earthshine

    Green Gro
    from $18.12

    The Earthshine Biochar blend is a fast and easy way to boost the performance of new soil, reuse your old soil, and improve the effectiveness of com...

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    from $18.12
  • GreenGro Flower Shower - HydroPros
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    GreenGro Flower Shower

    Green Gro
    from $26.10

    Flower Shower is a unique product designed to gently rinse away contaminants that accumulate on flowers and fruits throughout the growing season. F...

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    from $26.10
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  • GreenGro Granular Plus Myco Blend - HydroPros

    GreenGro Granular Plus Myco Blend

    Green Gro
    from $15.93

    GreenGro™ Granular Plus is a microbe-rich product that has the highest concentration of beneficial ingredients on the market. GreenGro™ Granular Pl...

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    from $15.93
  • GreenGro Green Aminos 0-0-2 - HydroPros

    GreenGro Green Aminos 0-0-2

    Green Gro
    from $23.51

    Green Aminos is a premium blend of amino acids, proteins, and carbohydrates derived from the highest quality ingredients. Green Aminos can be used ...

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    from $23.51
  • GreenGro Hybrid Bloom(2-18-18) - HydroPros

    GreenGro Hybrid Bloom(2-18-18)

    Green Gro
    from $22.45

    Hybrid Bloom(2-18-18) is a water-soluble fertilizer containing nitrogen, phosphorus, potassium, and micro-nutrients. Do not apply to crops during p...

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    from $22.45
  • GreenGro Hybrid Veg(12-12-12) - HydroPros

    GreenGro Hybrid Veg(12-12-12)

    Green Gro
    from $22.45

    Hybrid Veg(12-12-12) is a water-soluble fertilizer containing nitrogen, phosphorus, potassium, and micro-nutrients. Do not apply to crops during pe...

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    from $22.45
  • GreenGro Nature's Brix - HydroPros

    GreenGro Nature's Brix

    Green Gro
    from $16.49

    Nature’s Brix 0-0-2 is a premium blend of carbohydrate, simple sugar, rock dust, and other quality ingredients. It is intended to help increase Bri...

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    from $16.49
  • GreenGro Nature's Mycorrhizae Ultrafine 8oz - HydroPros
    Save 22%

    GreenGro Nature's Mycorrhizae Ultrafine 8oz

    GreenGro
    Original price $35.95
    Current price $27.99

    Green Gro Ultrafine Mycorrhizae All-in-One (0.46-0.34-1.92), 8 oz GreenGro Ultrafine is a soluble blend of mycorrhizae, beneficial bacteria, kelp ...

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    Original price $35.95
    Current price $27.99
    Save 22%
  • GreenGro Pride Lands Bloom - HydroPros
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    GreenGro Pride Lands Bloom

    Green Gro
    from $26.33

    Pride Lands Bloom/Flower 2-5.5-5.5 combines turn of the century dry amendment farming techniques, Native American agriculture, and progressive micr...

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    from $26.33
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  • GreenGro Pride Lands Defense 5LB - HydroPros
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    GreenGro Pride Lands Defense 5LB

    Green Gro
    $46.99

    Pride Lands Defense is a unique product that is carefully crafted to help repel pests. It controls and repels a broad range of insects and insect l...

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    $46.99
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  • GreenGro Pride Lands Veg - HydroPros
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    GreenGro Pride Lands Veg

    Green Gro
    from $26.39

    Pride Lands Veg 6-3-3.5 is a premium blend of dry amendments, microbes, biochar, and mycorrhiza. Building on our commitment to utilizing the turn o...

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    from $26.39
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  • GreenGro Ultrafine Myco Blend - HydroPros

    GreenGro Ultrafine Myco Blend

    Green Gro
    from $14.99

    GreenGro™ Ultrafine is a soluble blend of Mycorrhizae, beneficial bacteria, kelp and humic. This is a highly effective and easy-to-use all-in-one p...

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    from $14.99
  • Gro Pro Black Plastic Bucket - HydroPros
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    Gro Pro Black Plastic Bucket

    Gro Pro
    from $6.06

    This premium quality, black plastic buckets can be used for a variety of gardening applications. Many growers use these as containers to grow their...

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    from $6.06
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  • Gro Pro Mesh Pot/Bucket Lid - [hydropros]
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    Gro Pro Mesh Pot/Bucket Lid

    Gro Pro
    from $3.63

    These heavy-duty 6 in, 8 in and 10 in plastic pots are designed specifically to snugly fit on standard 3.5 and 5 gallon buckets. They are mesh on t...

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    from $3.63
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  • Gro Pro Plant Warrior Pot - HP ECOMMERCE LLC
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    Gro Pro Plant Warrior Pot

    Gro Pro
    from $1.05

    Gro Pro® Plant Warrior™ growing containers provide added oxygen to the soil environment. Patent pending design allows oxygen to be drawn through th...

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    from $1.05
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  • Grodan 1.5 Inch Starter Mini-Blocks MM40/40, 45 Count - HydroPros
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    Grodan 1.5 Inch Starter Mini-Blocks MM40/40, 45 Count

    Grodan
    $20.19

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where oth...

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    $20.19
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  • Grodan A OK Rockwool Stonewool Starter Cubes Plugs 1.5" x 1.5" Sheet of 98 - HydroPros

    Grodan A OK Rockwool Stonewool Starter Cubes Plugs 1.5" x 1.5" Sheet of 98

    Grodan
    $16.60

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where oth...

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    $16.60
  • Grodan Delta 4 Block, 3" x 3" x 2.5" with holes - HydroPros

    Grodan Delta 4 Block, 3" x 3" x 2.5" with holes

    Grodan
    $5.02

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where oth...

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    $5.02
  • Grodan Delta 6.5 Block, 4" x 4" x 2.5" with holes - HydroPros
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    Grodan Delta 6.5 Block, 4" x 4" x 2.5" with holes

    Grodan
    $17.29

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where oth...

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    $17.29
    Sold out
  • Grodan Delta 8 Block, 4" x 4" x 3", with holes - HydroPros
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    Grodan Delta 8 Block, 4" x 4" x 3", with holes

    Grodan
    $6.95

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where oth...

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    $6.95
    Sold out
  • Grodan Gro-Smart Tray Insert - HydroPros

    Grodan Gro-Smart Tray Insert

    Grodan
    $14.99

    Grodan Starter plugs, Mini-Blocks and Gro-Blocks have finally found a home. This durable Dutch tray has double-sided features. Use the 78-cell ...

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    $14.99
  • Grodan Hugo Gro-Block, 6" x 6" x 5.8", with hole - HydroPros

    Grodan Hugo Gro-Block, 6" x 6" x 5.8", with hole

    Grodan
    $14.89

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where oth...

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    $14.89
  • GroLine Cleaning Solution - HydroPros

    GroLine Cleaning Solution

    Hanna
    from $16.00

    GroLine general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce ina...

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    from $16.00
  • GroLine Monitor for Hydroponic Nutrients with Inline Probe - HydroPros
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    GroLine Monitor for Hydroponic Nutrients with Inline Probe

    Hanna
    $505.00

    The HI981421 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temp...

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    $505.00
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  • Groline pH 4.01 Calibration Solution - HydroPros

    Groline pH 4.01 Calibration Solution

    Hanna
    from $16.00

    high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot ...

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    from $16.00
  • Groline pH 7.01 Calibration Solution - HydroPros

    Groline pH 7.01 Calibration Solution

    Hanna
    from $16.00

    Groline pH 7.01 Calibration Solution is a high quality pH 7.01 calibration buffer that is NIST traceable and supplied with a Certificate of A...

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    from $16.00
  • GroLine pH/EC/TDS Multiparameter Probe - HydroPros

    GroLine pH/EC/TDS Multiparameter Probe

    Hanna
    $169.00

    The HI1285-8 multiparameter probe measures pH, EC/TDS, and temperature in one convenient, rugged probe. Use with the HI981420 GroLine Monitor...

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    $169.00
  • GroLine Storage Solution - HydroPros

    GroLine Storage Solution

    Hanna
    from $16.00

    GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is ...

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    from $16.00
  • GroLine Waterproof pH Tester - HydroPros
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    GroLine Waterproof pH Tester

    Hanna
    $79.00

    The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern look...

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    $79.00
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  • GroLine Waterproof Portable pH/EC/TDS Meter - HydroPros

    GroLine Waterproof Portable pH/EC/TDS Meter

    Hanna
    $259.00

    Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialize...

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    $259.00
  • Grow 1 Green LED Light Bulb - 9 watt - HydroPros

    Grow 1 Green LED Light Bulb - 9 watt

    Grow 1
    $14.65

    Grow1 Green 9 Watt LED Light Bulb Plant Safe Work on Plant in Sleep Cycle 110v Product Description Grow1 Green LED Bulbs allows you to work in your...

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    $14.65
  • NX Level Pot Elevator - [hydropros]

    Grow 1 Pot Elevator

    Grow 1
    from $2.39

    Grow 1 Plant Elevators are specially designed to help raise your fabric or plastic pot out of the bottom of a saucer. This elevates the pot out of ...

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    from $2.39