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  • GreenGro Premium Ultrafine Myco - HydroPros

    GreenGro Premium Ultrafine Myco

    Green Gro
    from $12.99

    Want a convenient water-soluble way to add the power of mycorrhizae to your plant's roots? Mycorrhizae to help establish the symbiotic relationship...

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    from $12.99
  • GreenGro Pride Lands Bloom - HydroPros

    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
  • 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

    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
  • 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 - HydroPros
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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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  • HydroPros

    Grodan A-OK Starter Plugs, 1.5" - 98 per Sheet

    Grodan
    $13.99

    A-Ok Starter Plugs are for starting seeds and rooting cuttings prior to plugging into larger Gro-Blocks Grodan A-OK plugs are designed for seed and...

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    $13.99
  • 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
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  • 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
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  • Grodan Gro-Smart Tray Insert - HydroPros
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    Grodan Gro-Smart Tray Insert

    Grodan
    $12.52

    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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    $12.52
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  • HydroPros

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

    Grodan
    $3.64

    New and improved stone wool substrate with advanced wetting technology from Grodan Introducing Grodan Gro-Blocks Improved, a product specifically e...

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    $3.64
  • 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 Replacement Probe for GroChek Hi1285-6 - HydroPros

    GroLine Replacement Probe for GroChek Hi1285-6

    Hanna
    $128.30

    Measure pH, conductivity (EC), and TDS (ppm) with the HI1285-6 multiparameter probe. Perfect for measurements in greenhouses, water treatment, and ...

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    $128.30
  • 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 - HI9814

    Hanna
    $238.99

    The HI9814 portable meter features a large multi-level LCD that displays both pH, EC, or TDS and temperature readings simultaneously. The pH readin...

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    $238.99
  • HydroPros
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    Grow 1 Garden Soft Tie 250'

    Grow 1
    $22.54

    Attach your plants to trellis netting bamboo or steel stakes with Grow1 Garden Soft Tie without damaging the soft tissues and other parts. It is bu...

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    $22.54
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  • 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