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Hydroponics pH Control Kit with pH Up and pH Down Solutions & pH Indicator
Hydroponics pH Control Kit with pH Up and pH Down Solutions & pH Indicator

$39.90

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Hydroponics pH Control Kit with pH Up and pH Down Solutions, pH Indicator 8+8oz
Hydroponics pH Control Kit with pH Up and pH Down Solutions, pH Indicator 8+8oz

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pH Down Liquid Premium Buffering For Hydroponics pH Stability - 1 Quart (32oz)
pH Down Liquid Premium Buffering For Hydroponics pH Stability - 1 Quart (32oz)

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General Hydroponics pH Up Liquid Premium Buffering For pH Stability - 1 gal
General Hydroponics pH Up Liquid Premium Buffering For pH Stability - 1 gal

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General Hydroponics pH Down 32oz Quart / 1 Gallon -buffer gh adjuster hydroponic
General Hydroponics pH Down 32oz Quart / 1 Gallon -buffer gh adjuster hydroponic

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General Hydroponics pH Test Indicator 8 oz Ounces - up down wide spectrum
General Hydroponics pH Test Indicator 8 oz Ounces - up down wide spectrum

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PRECISION HYDROPONICS PH UP DOWN KIT CONTROL GENERAL BUFFER COMBO
PRECISION HYDROPONICS PH UP DOWN KIT CONTROL GENERAL BUFFER COMBO

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General Hydroponics pH Up 32 oz / 1 Quart -buffer gh adjuster hydroponic
General Hydroponics pH Up 32 oz / 1 Quart -buffer gh adjuster hydroponic

$16.75

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General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo
General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo

$17.99

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General Hydroponics pH Up 1 Gallon - buffer gh adjuster hydroponic
General Hydroponics pH Up 1 Gallon - buffer gh adjuster hydroponic

$32.79

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General Hydroponics pH Test Indicator Kit 1 oz. Wide Spectrum Super-Concentrated
General Hydroponics pH Test Indicator Kit 1 oz. Wide Spectrum Super-Concentrated

$10.95

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General Hydroponics pH Test Indicator Kit 1 oz. Wide Spectrum Super-Concentrated
General Hydroponics pH Test Indicator Kit 1 oz. Wide Spectrum Super-Concentrated

$11.99

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X Nutrients pH Up/Down Set (1 Quart each)
X Nutrients pH Up/Down Set (1 Quart each)

$29.95

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1500 g dry granular ph down (compare to General Hydroponics pH Down 1 Gallon)
1500 g dry granular ph down (compare to General Hydroponics pH Down 1 Gallon)

$29.99

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pH Down Liquid Buffering pH Adjuster for Hydroponics and Watering (4-32 Fl Oz)
pH Down Liquid Buffering pH Adjuster for Hydroponics and Watering (4-32 Fl Oz)

$19.90

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MICROBE LIFE HYDROPONICS PH21226 Premium Photosynthesis Plus Liquid
MICROBE LIFE HYDROPONICS PH21226 Premium Photosynthesis Plus Liquid

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General Hydroponics pH Control Kit for a Balanced Nutrient Solution
General Hydroponics pH Control Kit for a Balanced Nutrient Solution

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General Hydroponics pH Up 32oz Quart / 1 Gallon - buffer gh adjuster hydroponic
General Hydroponics pH Up 32oz Quart / 1 Gallon - buffer gh adjuster hydroponic

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Digital Electric PH Meter Tester Pocket Hydroponics Aquarium Water Test Pen USA
Digital Electric PH Meter Tester Pocket Hydroponics Aquarium Water Test Pen USA

$6.59

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General Hydroponics pH Up & pH Down 1 Quart each - GH Water pH Adjuster Buffer
General Hydroponics pH Up & pH Down 1 Quart each - GH Water pH Adjuster Buffer

$26.48

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General Hydroponics PH 7.0 Calibration Solution- Quart - Free Shipping
General Hydroponics PH 7.0 Calibration Solution- Quart - Free Shipping

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General Hydroponics Flora Series FloraGro FloraBloom FloraMicro 16 oz pint - gh
General Hydroponics Flora Series FloraGro FloraBloom FloraMicro 16 oz pint - gh

$32.90

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General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo
General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo

$22.88

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General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo
General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo

$18.99

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General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo FAST
General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo FAST

$19.95

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General Hydroponics pH Test Indicator 8 oz Ounces - up down wide spectrum
General Hydroponics pH Test Indicator 8 oz Ounces - up down wide spectrum

$14.99

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VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponic
VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponic

$9.49

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General Hydroponics pH Test Indicator Control Kit 1oz - up down wide spectrum
General Hydroponics pH Test Indicator Control Kit 1oz - up down wide spectrum

$10.95

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pH Test Drops pH Reagent Kit Alkaline Water Tester Drinking Water Test - 2pk
pH Test Drops pH Reagent Kit Alkaline Water Tester Drinking Water Test - 2pk

$14.95

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Professional pH Down Liquid Fertilizer Hydroponics and Soil Watering - 16 Fl Oz
Professional pH Down Liquid Fertilizer Hydroponics and Soil Watering - 16 Fl Oz

$25.00

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1/2 lb NATURAL ph UP SOLUBLE POWDER HYDROPONIC WATER RAISE TREATMENT PURE GRADE
1/2 lb NATURAL ph UP SOLUBLE POWDER HYDROPONIC WATER RAISE TREATMENT PURE GRADE

$12.59

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Biopharm pH/ORP Electrode Storage Solution 8 oz (250 mL)
Biopharm pH/ORP Electrode Storage Solution 8 oz (250 mL)

$14.50

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VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponic
VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponic

$9.99

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Hydroponics pH Control Kit with pH Up and pH Down Solutions, pH Indicator
Hydroponics pH Control Kit with pH Up and pH Down Solutions, pH Indicator

$18.00

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General Hydroponics pH Up 1 Gallon -buffer gh adjuster hydroponic
General Hydroponics pH Up 1 Gallon -buffer gh adjuster hydroponic

$32.99

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General Hydroponics pH Test Indicator Kit 1 oz. Wide Spectrum Super-Concentrated
General Hydroponics pH Test Indicator Kit 1 oz. Wide Spectrum Super-Concentrated

$12.99

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FoxFarm FX17070 Cultivation Nation pH UP One Pint
FoxFarm FX17070 Cultivation Nation pH UP One Pint

$11.99

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Fox Farm Cultivation Nation pH Down 1 Pint 16oz 1lb Lowers Nutrient Solution PH
Fox Farm Cultivation Nation pH Down 1 Pint 16oz 1lb Lowers Nutrient Solution PH

$12.75

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TrolMaster Aqua-X Reservoir pH Sensor PPH-1
TrolMaster Aqua-X Reservoir pH Sensor PPH-1

$65.00

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TrolMaster Aqua-X pH Sensor PPH-1
TrolMaster Aqua-X pH Sensor PPH-1

$65.00

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Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen
Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen

$5.98

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PH Meter LCD Digital Electric Tester Pen Water Hydroponics Test Kit Aquarium US
PH Meter LCD Digital Electric Tester Pen Water Hydroponics Test Kit Aquarium US

$6.56

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General Hydroponics Flora Series FloraGro FloraBloom FloraMicro 32 oz QT - gh
General Hydroponics Flora Series FloraGro FloraBloom FloraMicro 32 oz QT - gh

$18.99

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General Hydroponics Ph Control Kit for a Balanced Nutrient Solution
General Hydroponics Ph Control Kit for a Balanced Nutrient Solution

$18.31

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General Hydroponics pH Test Indicator 8 oz Ounces - up down wide spectrum
General Hydroponics pH Test Indicator 8 oz Ounces - up down wide spectrum

$15.89

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Hydroponics pH Up and Down Kit (8oz+8oz) pH Tester + Adjuster for water
Hydroponics pH Up and Down Kit (8oz+8oz) pH Tester + Adjuster for water

$21.00

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Advanced Nutrients Grow, Micro, Bloom Bundle pH Perfect Base GMB 1 Liter
Advanced Nutrients Grow, Micro, Bloom Bundle pH Perfect Base GMB 1 Liter

$38.89

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Advanced Nutrients Grow Micro Bloom pH Perfect Bundle Set Combo Base 500 ml
Advanced Nutrients Grow Micro Bloom pH Perfect Bundle Set Combo Base 500 ml

$32.89

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Advanced Nutrients Hydroponics PH Down 1 Quart
Advanced Nutrients Hydroponics PH Down 1 Quart

$18.95

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General Hydroponics pH Down 1 Gallon -buffer gh adjuster hydroponic
General Hydroponics pH Down 1 Gallon -buffer gh adjuster hydroponic

$32.99

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General Hydroponics pH Down & pH Up 1 Gallon Liquid Concentrate for pH Buffering
General Hydroponics pH Down & pH Up 1 Gallon Liquid Concentrate for pH Buffering

$109.95

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Digital LCD PH Meter Pen Tester Pocket Hydroponics Aquarium Pool Water Wine Test
Digital LCD PH Meter Pen Tester Pocket Hydroponics Aquarium Pool Water Wine Test

$6.56

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Hanna Instruments GroLine Direct Hydroponics PH Tester HI98115
Hanna Instruments GroLine Direct Hydroponics PH Tester HI98115

$45.00

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General Hydroponics pH Up Liquid Premium Buffering For pH Stability - 1 gal
General Hydroponics pH Up Liquid Premium Buffering For pH Stability - 1 gal

$25.00

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Advanced Nutrients Sensi Grow A & B Combo - pH Perfect 1 Liter
Advanced Nutrients Sensi Grow A & B Combo - pH Perfect 1 Liter

$35.99

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Electric PH Meter Digital LCD Tester Pocket Hydroponics Aquarium Water Test Pen
Electric PH Meter Digital LCD Tester Pocket Hydroponics Aquarium Water Test Pen

$12.48

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BlueLab pH Pen Hydroponic Blue Lab pH Meter Aquarium
BlueLab pH Pen Hydroponic Blue Lab pH Meter Aquarium

$49.99

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General Hydroponics FloraMicro 1 Quart, 1 Gallon, 2.5, 6 Gal -flora micro GH QT
General Hydroponics FloraMicro 1 Quart, 1 Gallon, 2.5, 6 Gal -flora micro GH QT

$21.99

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General Hydroponics pH Test Indicator 8 oz New
General Hydroponics pH Test Indicator 8 oz New

$11.49

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Advanced Nutrients - Ph Up - 500 Ml - raises ph level 0-0-38 concentrated liquid
Advanced Nutrients - Ph Up - 500 Ml - raises ph level 0-0-38 concentrated liquid

$28.95

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2 Pack Digital PH Meter Tester LCD Hydroponics Aquarium Water Pocket Test Pen US
2 Pack Digital PH Meter Tester LCD Hydroponics Aquarium Water Pocket Test Pen US

$11.55

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General Hydroponics Ph Up & Ph Down 8oz Combo Lot New
General Hydroponics Ph Up & Ph Down 8oz Combo Lot New

$15.95

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Advanced Nutrients PH Perfect 4 Pack Sensi Bloom A and B + Sensi Grow A and B
Advanced Nutrients PH Perfect 4 Pack Sensi Bloom A and B + Sensi Grow A and B

$59.99

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Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen
Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen

$6.71

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General Hydroponics pH Test Indicator Kit 1 oz. Wide Spectrum Super-Concentrated
General Hydroponics pH Test Indicator Kit 1 oz. Wide Spectrum Super-Concentrated

$16.99

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Advanced Nutrients pH Up Hydroponics 1 Quart
Advanced Nutrients pH Up Hydroponics 1 Quart

$19.59

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FoxFarm Grow Big Soil Liquid Nutrient Plant Fertilizer, 32oz (1 Quart Bottle)
FoxFarm Grow Big Soil Liquid Nutrient Plant Fertilizer, 32oz (1 Quart Bottle)

$23.97

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Advanced Nutrients - Ph Up - 1 Liter raises ph levels 0-0-38 concentrated liquid
Advanced Nutrients - Ph Up - 1 Liter raises ph levels 0-0-38 concentrated liquid

$30.99

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TNB Naturals pH Down 454 gr
TNB Naturals pH Down 454 gr

$19.95

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General Hydroponics pH UP 8 fl oz
General Hydroponics pH UP 8 fl oz

$8.95

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FoxFarm Big Bloom Organic Liquid Nutrient Plant Fertilizer, 32oz (1 Bottle)
FoxFarm Big Bloom Organic Liquid Nutrient Plant Fertilizer, 32oz (1 Bottle)

$22.99

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Advanced Nutrients Sensi Grow A & B Combo - pH Perfect 1 Liter
Advanced Nutrients Sensi Grow A & B Combo - pH Perfect 1 Liter

$34.99

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General Hydroponics FloraBloom 1 Quart, 1 Gallon, 2.5, 6 Gal -flora series GH QT
General Hydroponics FloraBloom 1 Quart, 1 Gallon, 2.5, 6 Gal -flora series GH QT

$16.99

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BlueLab pH Pen Hydroponic Blue Lab pH Pen
BlueLab pH Pen Hydroponic Blue Lab pH Pen

$39.99

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pH Up and Down Control Kit (9oz+9oz), Hydroponics pH Tester Calibration Adjus...
pH Up and Down Control Kit (9oz+9oz), Hydroponics pH Tester Calibration Adjus...

$18.90

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General Hydroponics pH 4.01 Calibration Solution, 1 Qt.
General Hydroponics pH 4.01 Calibration Solution, 1 Qt.

$14.00

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General Hydroponics PH TEST INDICATOR 8oz GH pH 4.0 to 8.5 Spectrum *Free S&H*
General Hydroponics PH TEST INDICATOR 8oz GH pH 4.0 to 8.5 Spectrum *Free S&H*

$16.00

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Advanced Nutrients Ph Down 1 Liter 0-55-0 concentrated liquid
Advanced Nutrients Ph Down 1 Liter 0-55-0 concentrated liquid

$30.99

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Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen
Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen

$6.59

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Advanced Nutrients pH Perfect Bloom Plant Nutrient 1L
Advanced Nutrients pH Perfect Bloom Plant Nutrient 1L

$18.99

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General Hydroponics pH Test Kit Drops - Testing for Hydroponics and Liquids
General Hydroponics pH Test Kit Drops - Testing for Hydroponics and Liquids

$15.00

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Humboldts Secret Ph down Liquid Ph Plant Balancer for Soil & Hydroponics Growing
Humboldts Secret Ph down Liquid Ph Plant Balancer for Soil & Hydroponics Growing

$29.06

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PH Meter, Digital pH Meter, PH Meter for Water Hydroponics, with 3 Pack of Ca...
PH Meter, Digital pH Meter, PH Meter for Water Hydroponics, with 3 Pack of Ca...

$15.05

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Cutting Edge Solutions Hydroponics pH Down Quart
Cutting Edge Solutions Hydroponics pH Down Quart

$8.49

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Digital PH Meter LCD Tester Hydroponics Industrial Water Quality Monitoring USA
Digital PH Meter LCD Tester Hydroponics Industrial Water Quality Monitoring USA

$26.60

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Hydroponic Cannabis Cultivation Enhanced pH Control and Nutrient Uptake - Phyre
Hydroponic Cannabis Cultivation Enhanced pH Control and Nutrient Uptake - Phyre

$35.98

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Advanced Nutrients Connoisseur Grow A & B Set - pH perfect fertilizer
Advanced Nutrients Connoisseur Grow A & B Set - pH perfect fertilizer

$39.90

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Digital Electric PH Meter Tester LCD Hydroponics Aquarium Water Pocket Test Pen
Digital Electric PH Meter Tester LCD Hydroponics Aquarium Water Pocket Test Pen

$8.99

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General Hydroponics pH Test Indicator 8 Ounces
General Hydroponics pH Test Indicator 8 Ounces

$14.66

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General Hydroponics pH Up or Down
General Hydroponics pH Up or Down

$12.36

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BlueLab pH Pen Hydroponic Blue Lab pH Meter
BlueLab pH Pen Hydroponic Blue Lab pH Meter

$47.99

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Chemboys pH Up Powder� Hydroponics pH Base Adjuster Liquid Fertilizer for
Chemboys pH Up Powder� Hydroponics pH Base Adjuster Liquid Fertilizer for

$19.99

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General Hydroponics pH Up Liquid, 1 Quart
General Hydroponics pH Up Liquid, 1 Quart

$12.50

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Foxfarm Cultivation Nation PH Down - 1 Qt.
Foxfarm Cultivation Nation PH Down - 1 Qt.

$18.00

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pH Up Liquid Premium Buffering For Stability, 1 Quart
pH Up Liquid Premium Buffering For Stability, 1 Quart

$13.06

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Hydroponics pH Control Kit with pH Up and pH Down Solutions, pH Indicator 10 Oz
Hydroponics pH Control Kit with pH Up and pH Down Solutions, pH Indicator 10 Oz

$19.99

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400 g dry granular ph down (compare to General Hydroponics pH Down 1 quart)
400 g dry granular ph down (compare to General Hydroponics pH Down 1 quart)

$15.99

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General Hydroponics pH Up / quart
General Hydroponics pH Up / quart

$24.00

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Hydroponics pH Control Kit with pH Up and pH Down Solutions, pH Indicator, 4+4oz
Hydroponics pH Control Kit with pH Up and pH Down Solutions, pH Indicator, 4+4oz

$19.90

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2 Pk APERA INSTRUMENTS 3M KCL soaking Solution (8oz) Ph Test 310zb
2 Pk APERA INSTRUMENTS 3M KCL soaking Solution (8oz) Ph Test 310zb

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