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Water Testers - Meters - Monitors

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General Hydroponics GH pH Test Kit 1 oz [24]

General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to expens

GH pH Test Kit 1 oz [24]

$6.98

General Hydroponics GH pH Control Kit (12/Cs)

General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.

GH pH Control Kit (12/Cs)

$14.75

HM Digital Meters HM Digital pH 80 Meter

HM Digital Meters HM Digital pH 80 Meter

HM Digital pH 80 Meter

$38.50

AC Infinity AC INFINITY PH PEN PRO KIT

Advanced pH reader for water quality assessment designed to help monitor and maintain proper pH levels.
Measures the acidity, alkalinity, and temperature of water for gardens, aquariums, pools, and more.

AC INFINITY PH PEN PRO KIT

$79.99

GroStar GroStar GS1 pH Pen

GroStar GroStar GS1 pH Pen

GroStar GS1 pH Pen

$91.00

BlueLab Bluelab pH Pen

BlueLab Bluelab pH Pen

$95.00

Bluelab OnePen 3-in-1 pH EC Temp Pen with Replaceable Probe

Bluelab OnePen 3-in-1 pH EC Temp Pen with Replaceable Probe

Bluelab OnePen 3-in-1 pH EC Temp Pen with Replaceable Probe

$199.00

HM Digital Meters HM Digital EC/TDS Com-80 Meter

HM Digital Meters HM Digital EC/TDS Com-80 Meter

HM Digital EC/TDS Com-80 Meter

$39.98

BlueLab Bluelab Conductivity Pen

BlueLab Bluelab Conductivity Pen

Bluelab Conductivity Pen

$85.00

BlueLab Bluelab PPM EC Truncheon

BlueLab Bluelab PPM EC Truncheon

Bluelab PPM EC Truncheon

$109.00

BlueLab Bluelab Portable Combo Meter

BlueLab Bluelab Portable Combo Meter

Bluelab Portable Combo Meter

$282.00

BlueLab Bluelab Guardian Monitor

BlueLab Bluelab Guardian Monitor

Bluelab Guardian Monitor

$361.73

BlueLab Bluelab Guardian Monitor Inline Wi-Fi

BlueLab Bluelab Guardian Monitor Inline Wi-Fi

Bluelab Guardian Monitor Inline Wi-Fi

$511.00

BlueLab Bluelab Replacement pH Probe

BlueLab Bluelab Replacement pH Probe

Bluelab Replacement pH Probe

$64.19

Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)

Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)

Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)

$150.00

BlueLab Bluelab LEAP Soil-Media pH Probe

BlueLab Bluelab LEAP Soil-Media pH Probe

Bluelab LEAP Soil-Media pH Probe

$104.82

BlueLab Bluelab ph 4.0 Calibration Solution

"pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope).Calibration Solution should be stored in a cool place out

Bluelab ph 4.0 Calibration Solution

$14.04

BlueLab Bluelab ph 7.0 Calibration Solution

"pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope).Calibration Solution should be stored in a cool place out

Bluelab ph 7.0 Calibration Solution

$14.04

BlueLab Bluelab pH Probe KCL Storage Solution 250mL

BlueLab Bluelab pH Probe KCL Storage Solution 250mL

Bluelab pH Probe KCL Storage Solution 250mL

$21.29

BlueLab Bluelab Calibration Sol 2.77EC 250mL

BlueLab Bluelab Calibration Sol 2.77EC 250mL

Bluelab Calibration Sol 2.77EC 250mL

$9.29

Every Drop Meters EDM Water Meter 1in Battery Unit 1001-EX

Everydrop’s Model 1001-EX is a battery powered 1” vortex flowmeter
that provides highly accurate, real time flow monitoring with totalization.
It provides an always-on digital display with flowrate in gallons/minute,
totalization in gallons, leak detec

Every Drop Meters EDM Water Meter 1in Battery Unit 1001-EX

$148.00

Gardena Smart Flow Hose Water Meter

Gardena Smart Flow Hose Water Meter

Gardena Smart Flow Hose Water Meter

$44.24

Pressure Gauge 0-60psi

Pressure Gauge 0-60psi

$56.88

AC Infinity All-in-On EC pH Pen -Hydroponics Meter PRO Kit

AC Infinity All-in-On EC pH Pen -Hydroponics Meter PRO Kit

AC Infinity All-in-On EC pH Pen -Hydroponics Meter PRO Kit

$149.00