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AC Infinity
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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
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GH pH Test Kit 1 oz [24]
$6.98
General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.
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GH pH Control Kit (12/Cs)
$14.75
HM Digital Meters HM Digital pH 80 Meter
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HM Digital pH 80 Meter
$38.50
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.
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AC INFINITY PH PEN PRO KIT
$79.99
GroStar GroStar GS1 pH Pen
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GroStar GS1 pH Pen
$91.00
BlueLab Bluelab pH Pen
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Bluelab pH Pen
$95.00
Bluelab OnePen 3-in-1 pH EC Temp Pen with Replaceable Probe
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Bluelab OnePen 3-in-1 pH EC Temp Pen with Replaceable Probe
$199.00
HM Digital Meters HM Digital EC/TDS Com-80 Meter
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HM Digital EC/TDS Com-80 Meter
$39.98
BlueLab Bluelab Conductivity Pen
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Bluelab Conductivity Pen
$85.00
BlueLab Bluelab PPM EC Truncheon
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Bluelab PPM EC Truncheon
$109.00
BlueLab Bluelab Portable Combo Meter
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Bluelab Portable Combo Meter
$282.00
BlueLab Bluelab Guardian Monitor
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Bluelab Guardian Monitor
$361.73
BlueLab Bluelab Guardian Monitor Inline Wi-Fi
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Bluelab Guardian Monitor Inline Wi-Fi
$511.00
BlueLab Bluelab Replacement pH Probe
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Bluelab Replacement pH Probe
$64.19
Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)
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Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)
$150.00
BlueLab Bluelab LEAP Soil-Media pH Probe
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Bluelab LEAP Soil-Media pH Probe
$104.82
"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
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Bluelab ph 4.0 Calibration Solution
$14.04
"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
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Bluelab ph 7.0 Calibration Solution
$14.04
BlueLab Bluelab pH Probe KCL Storage Solution 250mL
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Bluelab pH Probe KCL Storage Solution 250mL
$21.29
BlueLab Bluelab Calibration Sol 2.77EC 250mL
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Bluelab Calibration Sol 2.77EC 250mL
$9.29
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
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Every Drop Meters EDM Water Meter 1in Battery Unit 1001-EX
$148.00
Gardena Smart Flow Hose Water Meter
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Gardena Smart Flow Hose Water Meter
$44.24
Pressure Gauge 0-60psi
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Pressure Gauge 0-60psi
$56.88
AC Infinity All-in-On EC pH Pen -Hydroponics Meter PRO Kit
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AC Infinity All-in-On EC pH Pen -Hydroponics Meter PRO Kit
$149.00