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Grodan Improved Gro-Slab, 36 x 6 x 4 with three 4 x 4 pre-cut holes
Grodan Improved Pre-Cut Gro-SlabsGrodan Improved pre-cut Gro-Slabs are an efficient and ideal solution for growers seeking a reliable substrate that ...
$100.09
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Grodan Improved Gro-Slab, 36 x 6 x 4, case of 12
Grodan Improved Gro-Slab and Uni-SlabGrodan Improved Gro-Slabs and Uni-Slabs offer a wide control range to steer your crop using irrigation ...
$99.10
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Grodan Improved Gro-Slab, 36 x 8 x 3 with three 4 x 4 pre-cut holes
Grodan Improved Pre-Cut Gro-SlabsGrodan Improved pre-cut Gro-Slabs are an efficient and ideal solution for growers seeking a reliable substrate that ...
$97.13
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Grodan Improved Gro-Slab, 36 x 8 x 3 with three 6 x 6 pre-cut holes
Grodan Improved Pre-Cut Gro-SlabsGrodan Improved pre-cut Gro-Slabs are an efficient and ideal solution for growers seeking a reliable substrate that ...
$97.94
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Grodan Improved Gro-Slab, 36 x 8 x 3, case of 12
Grodan Improved Gro-Slab and Uni-SlabGrodan Improved Gro-Slabs and Uni-Slabs offer a wide control range to steer your crop using irrigation ...
$96.16
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Grodan Improved Mini-Block, 1.5″, case of 2250
Size: 1.5″ x 1.5″ x 1.5″ (45/strip – 50 strips/case), case of 2250
$322.35
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Grodan Improved Mini-Block, 1.5″, case of 2250
Size: 1.5″ x 1.5″ x 1.5″ wrapped (45/strip – 50 strips/case), case of 2250
$393.95
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Grodan Improved Mini-Block, 2″, case of 1440
Size: 2″ x 2″ x 2″ wrapped (24/strip – 60 strips/case), case of 1440$356.11
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Grodan Improved Uni-Slab, 9.5 x 8 x 4, case of 16
Grodan Improved Gro-Slab and Uni-SlabGrodan Improved Gro-Slabs and Uni-Slabs offer a wide control range to steer your crop using irrigation ...
$74.96
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Grodan Macro Plugs, 35 packs of 50 count
These rockwool plant starting plugs feature a slit for easy insertion of rooted cuttings. Ideal for growers using aeroponic EZ-Clone ...
$342.10
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Grodan Pargro Biggie, 6 x 6 x 6, w/Hole, 512 blocks per pallet
Grodan Pargro Biggie, 6 x 6 x 6, w/Hole, 512 blocks per palletPargro is an ideal stone wool growing media, ...
$1,138.47
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Grodan Pargro Jumbo, 6 x 6 x 4, w/Hole, Case of 64
Grodan Pargro Jumbo, 6 x 6 x 4, w/Hole, Case of 64Pargro is an ideal stone wool growing media, for ...
$115.10
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Grodan Pro A-OK 36/40 6/15 Starter Cubes, 1.5″ x 1.5″, 30 sheets of 98, Commercial
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or ...
$319.04
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Grodan Pro A-OK 50/40 6/15, 2″x2″, case of 1,500
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or ...
$283.18
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Grodan Round Macro Plugs w/Slit, case of 2000
These rockwool plugs feature a slit for easy insertion of rooted cuttings. They fit perfectly into the hole of any ...
$282.36
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Grodan Uni-Block GR40, case of 36
Size: 8″ x 8″ x 4″, case of 36
$134.58
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GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
GroStar by Apera EC Calibration Kit (2.77 EC, 8 oz. each) • 2.77 EC conductivity standard calibration solution• Used as a reference or ...
$10.37
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GroStar GS1 pH Pen
AI11010 - GroStar GS1 pH PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year warranty (probe)• pH 7 ...
$83.97
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GroStar GS1-E replacement pH electrode
AI58010 - GroStar GS1-E replacement pH electrode • Replacement GS1 probe measures pH and temperature• Premium probe technologies and materials ensure high accuracy ...
$35.29
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GroStar GS2 Soil pH Pen
AI31020 - GroStar GS2 Soil pH PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year warranty (probe)• pH ...
$177.87
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GroStar GS2-E replacement Soil Spear pH electrode
AI58020 - GroStar GS2-E replacement Soil Spear pH electrode • Spear pH Probe measures pH and temperature in nutrient solution, soil, coco ...
$125.96
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GroStar GS3 EC Pen
AI11030 - GroStar GS3 EC/PPM/Temp PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year warranty (probe)• 2.77 EC ...
$78.90
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GroStar GS3-E replacement EC electrode
AI58030 - GroStar GS3-E replacement EC electrode • Measures conductivity EC, PPM (500), PPM (700) and temperature• Premium probe technologies and materials ensure ...
$37.37
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GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
AI21040 - GroStar GS4 pH/EC/500ppm/700ppm & Temp (5-in-1) Combo PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year ...
$123.89
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GroStar GS4-E replacement pH/EC combo electrode
AI58040 - GroStar GS4-E replacement pH/EC combo electrode • Measures pH, conductivity (EC and PPM) and temperature• Combo probe built with lithium glass ...
$55.36
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GroStar pH calibration kit (pH 4/7, 8 oz. each)
GroStar by Apera pH calibration kit (pH 4/7, 8 oz. each) Kit includes: (1) 8 oz. pH 4.0 calibration solution (1) 8 ...
$13.14
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GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
GroStar by Apera pH calibration kit (pH 4/7/10, 8 oz. each) Kit Includes: (1) pH 4.0 calibration solution 8 oz. (1) pH 7.0 ...
$20.06
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GroStar pH Probe Maintanence Kit
All-in-one maintanence kit provides everything you need to maintain, clean and store your GroStar pH probe Kit Includes: 3M KCL storage solution (4oz.) Cleaning solution ...
$16.60