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Hydroponics
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All Articles (2)
pH/EC Maintenance
Displaying 1 to 50 (of 121 products)
 E.C. Dipstick™ 
 E.C. Dipstick™ 
 716570 
 CWP Instruments 

 85 
  
 TDS Wand 
 TDS Wand 
 716571 
 CWP Instruments 

 90 
  
 24-7 Nutrient Monitor 
 24-7 Nutrient Monitor 
 716572 
 CWP Instruments 

 209 
  
 24-7 pH Replacement Probe 
 24-7 pH Replacement Probe 
 716573 
 CWP Instruments 

 50 
  
 Control Wizard 1382 Calibration Solution 4oz. 
 Control Wizard 1382 Calibration Solution 4oz. 
 716574 
 CWP Instruments 

 5 
  
 24-7 PPM Replacement Probe 
 24-7 PPM Replacement Probe 
 716579 
 CWP Instruments 

 50 
  
 Soil pH Meter 
 Soil pH Meter 
 716750 
 Rapitest Meters 

 22 
  
 4 Way Analyzer 
 4 Way Analyzer 
 716752 
 Rapitest Meters 

 35 
  
 Rapitest Mini pH Tester 
 Rapitest Mini pH Tester  
 716753 
 Rapitest Meters 

 9 
  
 pH Soil Tester 
 pH Soil Tester 
 716755 
 Rapitest Meters 

 5 
  
 Soil Test pH, N, P, K 
 Soil Test pH, N, P, K 
 716756 
 Rapitest Meters 

 16 
  
 Nutritest 2oz Cal Sol 27.7 
 Nutritest 2oz Cal Sol 27.7 
 AH88004 
 American Hydroponics 

 5 
  
 Truncheon 
 Truncheon 
 BLU2000E 
 Bluelab 

 135 
  
 BlueLab Combo Meter 
 BlueLab Combo Meter 
 BLU2300E 
 Bluelab 

 295 
  
 Bluelab pH Replacement Electro 
 Bluelab pH Replacement Electro 
 BLU24102 
 Bluelab 

 67 
  
 pH Truncheon Contact Ring 
 pH Truncheon Contact Ring 
 BLU600410 
 Bluelab 

 12 
  
 N-Dip pH/PPM442/Temp Meter 
 N-Dip pH/PPM442/Temp Meter 
 FH1100046 
 Nutradip (Tri Meter) 

 200 
  
 Elctrd Clnr 2x8oz  Electrode C 
 Elctrd Clnr 2x8oz Electrode C 
 GAECST8 
 Green Air Products Inc. 

 18 
  
 Tri-Pack 3x8 oz. Meter Mainten 
 Tri-Pack 3x8 oz. Meter Mainten 
 GAGITRI18 
 Green Air Products Inc. 

 33 
  
 pH 4.01 Buffer 
 pH 4.01 Buffer 
 GAPHB416 
 Green Air Products Inc. 

 10 
  
 pH 7.01 Buffer 
 pH 7.01 Buffer 
 GAPHB716 
 Green Air Products Inc. 

 10 
  
 Calibration Kit 1413 uS & 1500 
 Calibration Kit 1413 uS & 1500 
 GAPPMT16 
 Green Air Products Inc. 

 28 
  
 1413uS &1500 PPM Calibration K 
 1413uS &1500 PPM Calibration K 
 GAPPMT8 
 Green Air Products Inc. 

 20 
  
 pH Control Kit 
 pH Control Kit 
 GH1514 
 General Hydroponics 

 17 
  
 pH Test Indicator 8oz 
 pH Test Indicator 8oz 
 GH1516 
 General Hydroponics 

 11 
  
 pH Up Base 
 pH Up Base 
 GH1521 
 General Hydroponics 

 11 
  
 pH Down Acid 
 pH Down Acid 
 GH1531 
 General Hydroponics 

 11 
  
 pH 4.01 Cal Sol 
 pH 4.01 Cal Sol 
 GH1541 
 General Hydroponics 

 8 
  
 pH 7.0 Cal Sol 
 pH 7.0 Cal Sol 
 GH1551 
 General Hydroponics 

 8 
  
 1500 ppm Cal Sol 
 1500 ppm Cal Sol 
 GH1571 
 General Hydroponics 

 8 
  
 BlueLab PH Cal. Solution 
 BlueLab PH Cal. Solution 
 HD4CAL250 
 Bluelab 

 8 
  
 Nutrient Probe Cleaning Kit 
 Nutrient Probe Cleaning Kit 
 HDNUTPRCLC 
 Bluelab 

 24 
  
 Floating Thermometer 
 Floating Thermometer 
 HGFLT 
 Active Aqua 

 2 
  
 Hydro RX Water & Soil Test Kit 
 Hydro RX Water & Soil Test Kit 
 HGLABTEST 
 Hydrofarm 

 40 
  
 Batteries for Pens PH/TDS Type 
 Batteries for Pens PH/TDS Type 
 HGPROBAT 
 Hydrofarm 

 7 
  
 Pro pH Test Kit 
 Pro pH Test Kit 
 HGPROTK 
 Hydrofarm 

 6 
  
 Replacement probe for HI9026 
 Replacement probe for HI9026 
 HI1230B 
 Hanna Instruments 

 82 
  
 Grochek replacement probe 
 Grochek replacement probe 
 HI1285 
 Hanna Instruments 

 122 
  
 pH Electrode Prob w/ 2m cable 
 pH Electrode Prob w/ 2m cable 
 HI1286 
 Hanna Instruments 

 63 
  
 Ph Combo Electrode Glass Body 
 Ph Combo Electrode Glass Body 
 HI1292D 
 Hanna Instruments 

 181 
  
 Hanna Ph/EC Solutions 
 Hanna Ph/EC Solutions 
 HI50021 
 Hanna Instruments 

 12 
  
 Ph Electr for HI98129 & HI9812 
 Ph Electr for HI98129 & HI9812 
 HI73127 
 Hanna Instruments 

 59 
  
 Checker pH1 Tester 
 Checker pH1 Tester 
 HI98103 
 Hanna Instruments 

 39 
  
 Champ pH Tester 
 Champ pH Tester 
 HI98106 
 Hanna Instruments 

 59 
  
 pHep 
 pHep 
 HI98107 
 Hanna Instruments 

 63 
  
 Grochek pHep Meter 
 Grochek pHep Meter 
 HI98128 
 Hanna Instruments 

 93 
  
 Combo pH/EC/TDS/C Tester 
 Combo pH/EC/TDS/C Tester 
 HI98129 
 Hanna Instruments 

 198 
  
 GroChek pH/EC/TDS Meter 
 GroChek pH/EC/TDS Meter 
 HI9813-0 
 Hanna Instruments 

 250 
  
 GroChek pH/EC/TDS/C Portable 
 GroChek pH/EC/TDS/C Portable 
 HI9813-5N 
 Hanna Instruments 

 276 
  
 GroChek pH/EC/TDS/C w/ Cal-Che 
 GroChek pH/EC/TDS/C w/ Cal-Che 
 HI9813-6 
 Hanna Instruments 

 276 
  
Displaying 1 to 50 (of 121 products)
Grow Lighting
Flourescent Fixtures
Grow Light Accessories
Lighting Accessories
Grow Light Bulbs
Fluorescent Bulbs
H.I.D. Bulbs
Grow Light Reflectors
Light Movers & Hangers
Plant lighting combos
Power / Lamp Cords
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Growing Accessories
Grow Tents
Indoor Greenhouses
Grow Tools
Hand Tools
pH/EC Maintenance
Reflective/B&W Films
Safety Equipment
Sprayers & Wands
Growing Media
Rockwool
Nutrients Additives
Advanced Nutrients
Amendments
Organic Amendments
Atami Nutrients
Botanicare Nutrients
Dutch Master Nutrients
Earth Juice Nutrients
Fox Farm Nutrients
General Hydroponics Nutrients
Humboldt Nutrients
View More...
Pest & Disease
Azamax
Big Time Exterminator
Caterpillar Killer 8oz w/BT
Deer-X® Netting
Don't Bug Me 24oz Spray
EcoPlus® 60x 100x Illuminated Microscope
FloraShield
goGNATS Conc. 16oz
Green Cure Fungacide
Greenhouse Vaporizor
View More...
Plant Cloning
Clone from cuttings! Plant Cloning Kit has everything
Clonex Clone Solution
Clonex Rooting Gel
EZ Clone Rooting Compound
Humidity Dome 2"
Hydrofarm Dome 7" Vented
International Horticulture (I-hort) Quick Start Seed/Clone Plugs
International Horticulture (I-hort) Quick Start Seed/Clone Plugs - I-Hort Quick Start Plugs, 10 count
International Horticulture (I-hort) Quick Start Seed/Clone Plugs - I-Hort Quick Start Plugs, 100 count
International Horticulture (I-hort) Quick Start Seed/Clone Plugs - I-Hort Quick Start Plugs, 20 count
View More...
Pots & Containers
Hydroponic foam inserts
Hydroponic foam-neoprene collars
Net Pots
Superoot Air Pots
Processing & preserving
Fresh Headies Extract Filtering Bubble Bags
True Liberty scent free Chicken Bags 10 to 100 pack boxes
True Liberty scent free Turkey Bags 10 to 25 pack boxes
Seed Starting Supplies
International Horticulture (I-hort) Quick Start Seed/Clone Plugs
International Horticulture (I-hort) Quick Start Seed/Clone Plugs - I-Hort Quick Start Plugs, 10 count
International Horticulture (I-hort) Quick Start Seed/Clone Plugs - I-Hort Quick Start Plugs, 100 count
International Horticulture (I-hort) Quick Start Seed/Clone Plugs - I-Hort Quick Start Plugs, 20 count
International Horticulture (I-hort) Quick Start Seed/Clone Plugs - I-Hort Quick Start Plugs, 50 count
International Horticulture (I-hort) Quick Start Seed/Clone Plugs - I-Hort Quick StartPlugs, 72 count
QMR Seed Kit A with heat mat
Soils and Media
Used Equipment