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Digital Pen-Style ORP Meter with LCD Display and Backlight for Pool, Aquarium & Water Quality Testing
$19.90 Add to cart
Digital Pen-Style pH Meter – Portable Water Quality Tester for Hydroponics, Aquariums, Pools, Beverages & Biological Samples
$19.90 Add to cart
E-366 Replaceable ORP/Redox Electrode with 50 Ω BNC Connector — Compatible with ORP Meters, Testers, Monitors & Controllers (±2000 mV Range, 2 m Cable)
Sale! Original price was: $47.90.Current price is: $31.93. Add to cart
E-367 pH Electrode Probe with BNC Connector – 2-Meter Replaceable Sensor for Aquariums, Hydroponics, Pools, Spas & pH Controllers
Sale! Original price was: $24.90.Current price is: $16.60. Add to cart
ORP-001 Portable Redox Potential Meter with Built-in Temperature Sensor (°C/°F), ±1999 mV Range for Pools & Aquariums
$19.90 Add to cart
PH-002 Digital Waterproof pH Meter Featuring Auto-Calibration, Dual-Temperature Display (°C/°F), and Interchangeable Electrode
$19.90 Add to cart
PHC-342 Digital pH/ORP Controller with Temperature Monitoring, Dosing Automation, and Remote App Control for Pools, Aquaculture, and Fishponds
Sale! Original price was: $106.90.Current price is: $53.45. Select options This product has multiple variants. The options may be chosen on the product page
PHM-003 Dual-Function pH and TDS Meter with Interchangeable pH Electrode for Aquariums, Pools, and Hydroponics
$19.90 Add to cart
Replacement ORP Electrode for 2-in-1 ORP and Temperature Pen Tester
$19.90 Add to cart
SNS-PH9851 BNC pH Electrode Probe with Protective Cap
$19.90 Add to cart
WQM-341 Multi-Parameter Water Quality Meter — pH, EC, TDS, Salinity, Specific Gravity & Temperature with 24/7 Remote App Monitoring for Aquariums, Home Labs & Fish Tanks
Sale! Original price was: $74.90.Current price is: $49.93. Select options This product has multiple variants. The options may be chosen on the product page
WQM-397 WiFi Smart Water Quality Tester — pH, TDS, Salt, Specific Gravity & Temperature for Aquariums, Hydroponics, Pools, and Drinking Water
Sale! Original price was: $62.90.Current price is: $41.93. Add to cart

Showing all 12 results