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pH/TDS Meters

32 products

Showing 1 - 24 of 32 products

Showing 1 - 24 of 32 products
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Bluelab white and blue digital pH pen with LCD screen displaying 5.9 pH and 20°C, shown against a white background.
Bluelab Bluelab pH Pen, Waterproof
$99.95
White and blue digital conductivity pen with LCD screen displaying 2.5 EC and 20°C, shown from a front-facing angle.
Bluelab Bluelab PPM Pen, EC TDS Temp, Waterproof
$94.45
HM Digital PH-80 handheld digital meter with a white body, orange cap, and LCD screen for measuring pH and temperature.
HM Digital HM Digital PH-80 pH/Temperature Meter
$45.73
AC Infinity pH Meter Pro kit with black waterproof handheld tester, three colorful calibration solutions, and carry case.
AC Infinity AC Infinity pH Meter PRO Kit, Interchangeable Probe
$99.00
White HM Digital handheld water quality meter showing a digital display with 0 PPM and 23.4°C temperature.
HM Digital HM Digital AquaPro TDS/Temperature Meter
$38.10
Green analog soil meter with dial gauge, toggle switch for moisture and pH settings, and two metal probe sensors.
Active Air Active Air 2 Way pH & Moisture Meter
$13.99
Orange handheld digital soil pH meter with metal probe in original packaging against a soil and flower background.
Luster Leaf Luster Leaf Digital Soil pH Meter
$18.95
White and orange HM Digital pH-200 meter showing a digital pH reading of 6.02 and 78.5 degrees Fahrenheit.
HM Digital HM Digital PH-200 Waterproof pH/Temperature Meter
$98.05
Bluelab Conductivity Probe Care Kit with blue cleaning tube, calibration sachets, plastic cup, and chamois cloth.
Bluelab Bluelab Probe Care Kit, Conductivity
$17.95
Bluelab pH probe care kit featuring cleaning solution, calibration sachets, plastic cups, and a brush in branded packaging.
Bluelab Bluelab Probe Care Kit, pH
$27.95
AC Infinity pH/TDS meter kit with a black digital probe, carrying case, and four bottles of calibration solution.
AC Infinity AC Infinity pH/TDS Meter PRO Kit, Interchangeable Probe
$149.00
AC Infinity pH meter kit with black digital tester, calibration buffer solutions, and storage case for hydroponic testing.
AC Infinity AC Infinity pH Meter Kit
$69.95
Bluelab Probe Care Kit featuring calibration solutions, probe cleaners, storage solution, a brush, and clear sample cups.
Bluelab Bluelab Probe Care Kit, pH & Conductivity
$34.95
Bluelab waterproof pH and conductivity pens with digital displays, calibration packets, cleaning tools, and solutions.
Bluelab Bluelab pH Pen and Conductivity Pen Starter Pack, Waterproof
$199.00
Green Active Air 3-way soil meter with two metal probes in original blister packaging for moisture, light, and pH.
Active Air Active Air 3 Way Meter
$13.99
Green handheld soil moisture meter in packaging with digital display, long metal probe, and root-level testing features.
Luster Leaf Digital Moisture Meter
$17.95
Beige HM Digital TDS-3 handheld tester for measuring water purity and temperature in hydroponic gardening.
HM Digital HM Digital Handheld TDS-3 Tester
$25.33
Green Rapitest Soil Test Kit box for checking pH, nitrogen, phosphorus, and potash levels in garden soil.
Luster Leaf Rapitest Professional Soil Test Kit
$29.95
White 3oz bottle of HM Digital 1000 ppm TDS calibration solution with blue label and barcode.
HM Digital HM Digital 1000 ppm TDS Calibration Solution 3 oz (90 ml)
$9.76
Bluelab Combo Meter for hydroponics: white digital handheld device with two probes for measuring pH, temp, and EC/PPM.
Bluelab Bluelab Combo Meter for pH, Temperature & Conductivity - Digital EC/TDS/PPM
$329.00
A 250ml white plastic bottle of Bluelab pH probe KCl storage solution with a blue label, used to maintain pH sensors.
Bluelab Bluelab® pH Probe KCI Storage Solution 250ml
$19.99
A white plastic bottle with a black cap and blue label containing Bluelab 2.77 EC hydroponic calibration solution.
Bluelab Bluelab 2.77 EC Calibration Solution 500ml
$14.95
A 250ml white plastic bottle of Bluelab pH 4.0 calibration solution with a black cap and blue label.
Bluelab Bluelab pH 4.0 Solution
$11.95
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Bluelab Truncheon V2, a blue and white wand-style nutrient meter for measuring hydroponic solution conductivity.
Bluelab Bluelab Truncheon V2 Nutrient Meter
$109.95

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