K03
Showing 25–36 of 59 results
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Nutra-Wand EC/PPM/CF Hydroponic Meter Stick – 0.4 to 4.4 EC Range
$19.90 Add to cart -
ORP-1 Redox Electrode with BNC Connector – Replacement pH/ORP Probe for Meters, Controllers, and Monitors | 14 cm Sensing Length, 1.2 cm Diameter, 3 m Cable
$19.90 Add to cart -
ORP-1692 Redox Meter – Precision 0–1000 mV ORP Tester with Rugged Design
Sale! Original price was: $38.90.$25.93Current price is: $25.93. Add to cart -
ORP-1696 Portable Redox Potential Meter with Integrated Electrode – Lab, Aquarium & Pool Water Quality Tester
$19.90 Add to cart -
ORP-228 Digital Redox Potential Meter – ±1999 mV Range, Single-Point Calibration for Aquariums, Pools, Spas, Aquaculture & Water Treatment
$19.90 Add to cart -
Pen-Style EC Meter for Hydroponics and Nutrient Solution Testing (0–19.99 mS/cm)
$19.90 Add to cart -
PH-025 Digital pH Meter with ATC – 0.00–14.00 Range, Includes Power Adapter & 1.5m Waterproof Electrode Probe for Aquariums, Hydroponics, Spas, Pools, and Lab Use
$0.00 Select options This product has multiple variants. The options may be chosen on the product page -
PH-025RE Digital pH Meter with Replaceable BNC Electrode — Portable Water Quality Tester for Aquariums, Hydroponics, Spas, Pools & Labs
$19.90 Add to cart -
PH-025WO Digital pH Meter with ATC — Portable Water Quality Tester for Aquariums, Hydroponics, Spas, Pools & Labs
$19.90 Add to cart -
PH-201 Digital pH Controller with Integrated Electrode and Calibration Solutions – Dual Voltage (110V/220V)
$0.00 Select options This product has multiple variants. The options may be chosen on the product page -
PH-203 Dual-Function Digital Meter for pH, ORP, mV, and CO₂ Monitoring (0.00–14.00 pH Range)
$0.00 Select options This product has multiple variants. The options may be chosen on the product page -
PH-251 Digital pH Meter with AC Adapter and Interchangeable Electrode
$19.90 Add to cart
Showing 25–36 of 59 results