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  • Active Air 2-Way Moisture/pH Meter Quick View
    • Active Air 2-Way Moisture/pH Meter Quick View
    • Meters & Solutions
    • Active Air 2-Way Moisture/pH Meter

    • $13.95
    • Active Air 2-Way Moisture/pH Meter
  • Active Aqua pH Test kit Quick View
    • Active Aqua pH Test kit Quick View
    • Meters & Solutions
    • Active Aqua pH Test kit

    • $7.99
    • Active Aqua pH Test kit
  • Advanced Nutrients Connoisseur Grow A – 1G Quick View
    • Advanced Nutrients Connoisseur Grow A – 1G Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • Advanced Nutrients Connoisseur Grow A – 1G

    • $76.36
    • Advanced Nutrients pH Perfect® Connoisseur Grow A – 1G
  • Advanced Nutrients Connoisseur Grow A – 1L Quick View
    • Advanced Nutrients Connoisseur Grow A – 1L Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • Advanced Nutrients Connoisseur Grow A – 1L

    • $23.84
    • Advanced Nutrients pH Perfect® Connoisseur Grow A - 1L
  • Advanced Nutrients Connoisseur Grow B – 1G Quick View
    • Advanced Nutrients Connoisseur Grow B – 1G Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • Advanced Nutrients Connoisseur Grow B – 1G

    • $76.36
    • Advanced Nutrients pH Perfect® Connoisseur Grow B – 1G
  • Advanced Nutrients Connoisseur Grow B – 1L Quick View
    • Advanced Nutrients Connoisseur Grow B – 1L Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • Advanced Nutrients Connoisseur Grow B – 1L

    • $23.84
    • Advanced Nutrients pH Perfect® Connoisseur Grow B – 1L
  • Advanced Nutrients pH Perfect Grow – 1G Quick View
    • Advanced Nutrients pH Perfect Grow – 1G Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • Advanced Nutrients pH Perfect Grow – 1G

    • $44.66
    • pH perfect grow 1G
  • Advanced Nutrients pH Perfect Grow – 1L Quick View
    • Advanced Nutrients pH Perfect Grow – 1L Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • Advanced Nutrients pH Perfect Grow – 1L

    • $14.36
    • pH perfect grow 1L
  • Advanced Nutrients pH Perfect Micro – 1G Quick View
    • Advanced Nutrients pH Perfect Micro – 1G Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • Advanced Nutrients pH Perfect Micro – 1G

    • $60.28
    • pH perfect micro 1G
  • Advanced Nutrients pH Perfect Micro – 1L Quick View
    • Advanced Nutrients pH Perfect Micro – 1L Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • Advanced Nutrients pH Perfect Micro – 1L

    • $19.36
    • pH perfect micro 1L
  • Advanced Nutrients Sensi CoCo Bloom A – 1G Quick View
    • Advanced Nutrients Sensi CoCo Bloom A – 1G Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • Advanced Nutrients Sensi CoCo Bloom A – 1G

    • $58.78
    • Advanced Nutrients pH Perfect® Sensi Bloom Coco A – 1G
  • Advanced Nutrients Sensi CoCo Bloom A – 1L Quick View
    • Advanced Nutrients Sensi CoCo Bloom A – 1L Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • Advanced Nutrients Sensi CoCo Bloom A – 1L

    • $18.38
    • Advanced Nutrients pH Perfect® Sensi Bloom Coco A – 1L
  • Advanced Nutrients Sensi CoCo Bloom B – 1G Quick View
    • Advanced Nutrients Sensi CoCo Bloom B – 1G Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • Advanced Nutrients Sensi CoCo Bloom B – 1G

    • $58.78
    • Advanced Nutrients pH Perfect® Sensi Coco Bloom B - 1G
  • Advanced Nutrients Sensi CoCo Bloom B – 1L Quick View
    • Advanced Nutrients Sensi CoCo Bloom B – 1L Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • Advanced Nutrients Sensi CoCo Bloom B – 1L

    • $18.38
    • Advanced Nutrients pH Perfect® Sensi Coco Bloom B – 1L
  • Alchemist ph Up Qt Quick View
    • Alchemist ph Up Qt Quick View
    • Meters & Solutions
    • Alchemist ph Up Qt

    • $19.99
    • Alchemist® pH Up Non-Caustic - 1Q
  • Alchemistph Down Qt Quick View
    • Alchemistph Down Qt Quick View
    • Meters & Solutions
    • Alchemistph Down Qt

    • $19.99
    • Alchemist® pH Down Non-Corrosive - 1Q
  • Bluelab 7.0 Cal Solution – 250ml Quick View
    • Bluelab 7.0 Cal Solution – 250ml Quick View
    • Meters & Solutions
    • Bluelab 7.0 Cal Solution – 250ml

    • $10.99
    • Bluelab 7.0 Cal Solution - 250ml
  • Bluelab Multimedia pH Meter with Leap pH Probe Quick View
    • Bluelab Multimedia pH Meter with Leap pH Probe Quick View
    • Meters & Solutions
    • Bluelab Multimedia pH Meter with Leap pH Probe

    • $295.74
    • Bluelab Multimedia pH Meter with Leap pH Probe
  • Bluelab pH 4.0 Calibration Solution – 500mL Quick View
    • Bluelab pH 4.0 Calibration Solution – 500mL Quick View
    • Meters & Solutions
    • Bluelab pH 4.0 Calibration Solution – 500mL

    • $19.99
    • Bluelab pH 4.0 Calibration Solution - 500mL
  • Bluelab pH 4.0 Calibration Solution – 250mL Quick View
    • Bluelab pH 4.0 Calibration Solution – 250mL Quick View
    • Meters & Solutions
    • Bluelab pH 4.0 Calibration Solution – 250mL

    • $12.99
    • Bluelab pH 4.0 Calibration Solution – 250mL
  • Bluelab Ph Meter Quick View
    • Bluelab Ph Meter Quick View
    • Meters & Solutions
    • Bluelab Ph Meter

    • $210.90
    • Bluelab pH Meter with Probe
  • Bluelab pH Pen Quick View
    • Bluelab pH Pen Quick View
    • Meters & Solutions
    • Bluelab pH Pen

    • $126.14
    • Bluelab® pH Pen
  • Bluelab ph Probe Solution 250ml Quick View
    • Bluelab ph Probe Solution 250ml Quick View
    • Meters & Solutions
    • Bluelab ph Probe Solution 250ml

    • $24.99
    • Bluelab pH Probe KCI Storage Solution - 250ml
  • Bluelab Probe Care Kit pH & Conductivity Quick View
    • Bluelab Probe Care Kit pH & Conductivity Quick View
    • Meters & Solutions
    • Bluelab Probe Care Kit pH & Conductivity

    • $32.99
    • Bluelab Probe Care Kit pH & Conductivity
  • Bluelab Replacement pH Probe Quick View
    • Bluelab Replacement pH Probe Quick View
    • Meters & Solutions
    • Bluelab Replacement pH Probe

    • $83.74
    • Bluelab Replacement pH Probe
  • Bluelab® pH 7.0 Calibration Solution – 500mL Quick View
    • Bluelab® pH 7.0 Calibration Solution – 500mL Quick View
    • Meters & Solutions
    • Bluelab® pH 7.0 Calibration Solution – 500mL

    • $19.99
    • Bluelab® pH 7.0 Calibration Solution - 500mL
  • Botanicare pH Down – 1q Quick View
    • Botanicare pH Down – 1q Quick View
    • Meters & Solutions
    • Botanicare pH Down – 1q

    • $11.95
    • Botanicare pH Down - 1Q
  • Botanicare pH Up – 1q Quick View
    • Botanicare pH Up – 1q Quick View
    • Meters & Solutions
    • Botanicare pH Up – 1q

    • $11.95
    • Botanicare pH Up - 1Q
  • Cultured Biologix pHlush – 16oz Quick View
    • Cultured Biologix pHlush – 16oz Quick View
    • Cultured Biologix
    • Cultured Biologix pHlush – 16oz

    • $25.00
    • Cultured Biologix pHlush - 16oz
  • CYCO pH 4.0 Calibration Solution – 1L Quick View
    • CYCO pH 4.0 Calibration Solution – 1L Quick View
    • Meters & Solutions
    • CYCO pH 4.0 Calibration Solution – 1L

    • $21.00
    • CYCO pH 4.0 Calibration Solution - 1L
  • Earth Juice Natural Down – 1.6lb Quick View
    • Earth Juice Natural Down – 1.6lb Quick View
    • Meters & Solutions
    • Earth Juice Natural Down – 1.6lb

    • $19.99
    • Earth Juice Natural Down 1.6 lb
  • Earth Juice Natural Up – 2 lb Quick View
    • Earth Juice Natural Up – 2 lb Quick View
    • Meters & Solutions
    • Earth Juice Natural Up – 2 lb

    • $21.99
    • Earth Juice Natural Up 2 lb
  • Emerald Harvest pH Down – QT Quick View
    • Emerald Harvest pH Down – QT Quick View
    • Meters & Solutions, Water & Aeration
    • Emerald Harvest pH Down – QT

    • $25.99
    • Emerald Harvest pH Down - QT
  • Emerald Harvest pH Up – QT Quick View
    • Emerald Harvest pH Up – QT Quick View
    • Meters & Solutions, Water & Aeration
    • Emerald Harvest pH Up – QT

    • $25.99
    • Emerald Harvest pH Up - QT
  • General Hydroponics pH 4.01 Calabration Solution – 8oz Quick View
    • General Hydroponics pH 4.01 Calabration Solution – 8oz Quick View
    • Meters & Solutions
    • General Hydroponics pH 4.01 Calabration Solution – 8oz

    • $9.99
    • General Hydroponics pH 4.01 Calibration Solution - 8oz
  • General Hydroponics pH 4.01 Calibration Solution – QT Quick View
    • General Hydroponics pH 4.01 Calibration Solution – QT Quick View
    • Meters & Solutions
    • General Hydroponics pH 4.01 Calibration Solution – QT

    • $26.99
    • General Hydroponics pH 4.01 Calibration Solution - 1Q
  • General Hydroponics pH Control Kit Quick View
    • General Hydroponics pH Control Kit Quick View
    • Meters & Solutions
    • General Hydroponics pH Control Kit

    • $22.99
    • General Hydroponics® pH Control Kit
  • General Hydroponics pH Down Liquid – 1G Quick View
    • General Hydroponics pH Down Liquid – 1G Quick View
    • Meters & Solutions
    • General Hydroponics pH Down Liquid – 1G

    • $34.99
    • General Hydroponics pH Down - 1G
  • General Hydroponics pH Down Liquid – QT Quick View
    • General Hydroponics pH Down Liquid – QT Quick View
    • Meters & Solutions
    • General Hydroponics pH Down Liquid – QT

    • $14.39
    • General Hydroponics® pH Down Liquid - 1Q
  • General Hydroponics pH Test Kit – 1oz Quick View
    • General Hydroponics pH Test Kit – 1oz Quick View
    • Meters & Solutions
    • General Hydroponics pH Test Kit – 1oz

    • $7.54
    • General Hydroponics pH Test Kit - 1oz
  • General Hydroponics pH Up Liquid – QT Quick View
    • General Hydroponics pH Up Liquid – QT Quick View
    • Meters & Solutions
    • General Hydroponics pH Up Liquid – QT

    • $14.39
    • General Hydroponics pH Up Liquid - 1Q
  • General Organics pH 7.01 Calabration Solution – 8oz Quick View
    • General Organics pH 7.01 Calabration Solution – 8oz Quick View
    • Meters & Solutions
    • General Organics pH 7.01 Calabration Solution – 8oz

    • $9.99
    • General Hydroponics pH 7.01 Calibration Solution - 8oz
  • GH pH Up – 1G Quick View
    • GH pH Up – 1G Quick View
    • Meters & Solutions
    • GH pH Up – 1G

    • $34.99
    • GH pH Up - 1G
  • HM Digital pH 80 Meter Quick View
    • HM Digital pH 80 Meter Quick View
    • Meters & Solutions
    • HM Digital pH 80 Meter

    • $49.99
    • HM Digital™ PH-80 pH Meter
  • Martini pH55 – pH/Temp Tester Quick View
    • Martini pH55 – pH/Temp Tester Quick View
    • Meters & Solutions
    • Martini pH55 – pH/Temp Tester

    • $88.99
    • Milwaukee Instruments Martini pH55 pH/Temp Tester
  • Milwaukee pH Meter pH600 AQ Quick View
    • Milwaukee pH Meter pH600 AQ Quick View
    • Meters & Solutions
    • Milwaukee pH Meter pH600 AQ

    • $33.95
    • Milwaukee Instruments pH600 AQ pH Tester
  • PH Down Quick View
    • PH Down Quick View
    • Meters & Solutions
    • PH Down

    • $25.74
    • Advanced Nutrients PH Down - 1Q
  • pH Electrode Storage Solution – Quick View
    • pH Electrode Storage Solution – Quick View
    • Meters & Solutions
    • pH Electrode Storage Solution –

    • $8.99
    • HM Digital™ pH Electrode Storage Solution
  • pH Indicator Solution Test Kit Quick View
    • pH Indicator Solution Test Kit Quick View
    • Meters & Solutions
    • pH Indicator Solution Test Kit

    • $5.95
    • Sure Test pH Indicator Solution Test Kit
  • pH Perf. Connoisseur Bloom A*1G Quick View
    • pH Perf. Connoisseur Bloom A*1G Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH Perf. Connoisseur Bloom A*1G

    • $76.36
    • Advanced Nutrients pH Perfect® Connoisseur Bloom A – 1G
  • pH Perf. Connoisseur Bloom A*1L Quick View
    • pH Perf. Connoisseur Bloom A*1L Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH Perf. Connoisseur Bloom A*1L

    • $23.84
    • Advanced Nutrients pH Perfect® Connoisseur Bloom A – 1L
  • pH Perf. Connoisseur Bloom B*1G Quick View
    • pH Perf. Connoisseur Bloom B*1G Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH Perf. Connoisseur Bloom B*1G

    • $76.36
    • Advanced Nutrients pH Perfect® Connoisseur Bloom B – 1G
  • pH Perf. Connoisseur Bloom B*1L Quick View
    • pH Perf. Connoisseur Bloom B*1L Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH Perf. Connoisseur Bloom B*1L

    • $23.84
    • pH Perf. Connoisseur Bloom B 1L
  • pH Perf. Sensi Bloom A 1G Quick View
    • pH Perf. Sensi Bloom A 1G Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH Perf. Sensi Bloom A 1G

    • $58.78
    • Advanced Nutrients pH Perfect® Sensi Bloom A - 1G
  • pH Perf. Sensi Bloom A 1L Quick View
    • pH Perf. Sensi Bloom A 1L Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH Perf. Sensi Bloom A 1L

    • $18.38
    • Advanced Nutrients pH Perfect® Sensi Bloom A - 1L
  • pH Perf. Sensi Bloom B 1 G Quick View
    • pH Perf. Sensi Bloom B 1 G Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH Perf. Sensi Bloom B 1 G

    • $58.78
    • Advanced Nutrients pH Perfect® Sensi Bloom B - 1G
  • pH Perf. Sensi Bloom B 1L Quick View
    • pH Perf. Sensi Bloom B 1L Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH Perf. Sensi Bloom B 1L

    • $18.38
    • Advanced Nutrients pH Perfect® Sensi Bloom B - 1L
  • pH Perf. Sensi Grow A 1G Quick View
    • pH Perf. Sensi Grow A 1G Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH Perf. Sensi Grow A 1G

    • $58.78
    • Advanced Nutrients pH Perfect® Sensi Grow A – 1G
  • pH Perf. Sensi Grow A 1L Quick View
    • pH Perf. Sensi Grow A 1L Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH Perf. Sensi Grow A 1L

    • $18.38
    • Advanced Nutrients pH Perfect® Sensi Grow A – 1L
  • pH Perf. Sensi Grow B 1 G Quick View
    • pH Perf. Sensi Grow B 1 G Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH Perf. Sensi Grow B 1 G

    • $58.78
    • Advanced Nutrients pH Perfect® Sensi Grow B – 1G
  • pH Perf. Sensi Grow B 1 L Quick View
    • pH Perf. Sensi Grow B 1 L Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH Perf. Sensi Grow B 1 L

    • $18.38
    • Advanced Nutrients pH Perfect® Sensi Grow B – 1L
  • pH perfect bloom 1G Quick View
    • pH perfect bloom 1G Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH perfect bloom 1G

    • $44.66
    • pH perfect bloom 1G
  • pH perfect bloom 1L Quick View
    • pH perfect bloom 1L Quick View
    • Advanced Nutrients, Nutrients & Supplements
    • pH perfect bloom 1L

    • $14.36
    • pH perfect bloom 1L
  • pH Probe KCl Storage Solution 1 Quick View
    • pH Probe KCl Storage Solution 1 Quick View
    • Meters & Solutions
    • pH Probe KCl Storage Solution 1

    • $12.99
    • Bluelab pH Probe KCI Storage Solution
  • PH UP Quick View
    • PH UP Quick View
    • Meters & Solutions
    • PH UP

    • $25.74
    • Advanced Nutrients pH Up - 1Q
  • Rapitest Digital Plus SoilMeter Quick View
    • Rapitest Digital Plus SoilMeter Quick View
    • Meters & Solutions
    • Rapitest Digital Plus SoilMeter

    • $28.99
    • Rapitest Digital Plus Soil pH Meter
  • Rapitest ph Soil Tester Quick View
    • Rapitest ph Soil Tester Quick View
    • Meters & Solutions
    • Rapitest ph Soil Tester

    • $5.99
    • Luster Leaf® Rapitest® pH Soil Tester
  • Sure Test Base pH Pen +/- 0.3 Quick View
    • Sure Test Base pH Pen +/- 0.3 Quick View
    • Meters & Solutions
    • Sure Test Base pH Pen +/- 0.3

    • $50.60
    • Sure Test Base pH Pen +/- 0.3
  • Sure Test ph Test Strip Kit 5.5 Quick View
    • Sure Test ph Test Strip Kit 5.5 Quick View
    • Meters & Solutions
    • Sure Test ph Test Strip Kit 5.5

    • $10.99
    • Sure Test® pH Test Strip Kit
  • Sure Test Pro pH Pen Replacement Probe Quick View
    • Sure Test Pro pH Pen Replacement Probe Quick View
    • Meters & Solutions
    • Sure Test Pro pH Pen Replacement Probe

    • $78.05
    • Sure Test Pro pH Pen Replacement Probe
  • Sure Test Pro pH Pen w/ Replaceable Probe +/- 0.05 ATC Quick View
    • Sure Test Pro pH Pen w/ Replaceable Probe +/- 0.05 ATC Quick View
    • Meters & Solutions
    • Sure Test Pro pH Pen w/ Replaceable Probe +/- 0.05 ATC

    • $126.50
    • Sure Test Pro pH Pen w/ Replaceable Probe +/- 0.05 ATC

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Hours & Info

188 Riverside Drive
Fultonville, NY 12072
518-853-6036
contact@RKGardenSupply.com
Tuesday-Sunday: 10AM-6PM

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