Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low

• View:
• 12
• 24
• All

• Quick View

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • PHM-226 3-in-1 pH Temperature Conductivity EC Meter Tester Digital Pen-Type 19.99 mS/cm, Aquarium, Tank, Swimming Pool, Lab, Spa

  • $36.90 Original price was: $36.90.$14.76Current price is: $14.76.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • PHM-229 Digital Aquarium pH Monitor Meter Tester with Replaceable Electrode, Continuous Monitoring Fish Tank, Aquaculture and Hydroponics

  • $43.90 Original price was: $43.90.$17.56Current price is: $17.56.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • PHM-230 Digital Online pH & Temperature Continuous Monitor Meter, Water Quality Monitoring Tester for Aquarium Swimming Pool Tank Hydroponic Pond Spa

  • $54.90 Original price was: $54.90.$16.47Current price is: $16.47.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Water Test Kit

  • PHM-233 6 in 1 Professional Multi-parameter pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter, Digital Multi-function Water Quality Monitor Tester

  • $87.90 Original price was: $87.90.$26.37Current price is: $26.37.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • PHM-234 3-in-1 pH, EC & TDS Conductivity Monitor ATC w/ 3.5″ Large Dual Display, Water Quality Meter Tester for Aquaculture, Aquarium, Pond, Hydroponics

  • $92.90 Original price was: $92.90.$27.87Current price is: $27.87.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • PHM-237 Economical pH Pocket Meter Tester Size with Clip, High Accuracy Removable Probe Electrode, Laboratory, School, Aquarium Online now

  • $32.90 Original price was: $32.90.$13.16Current price is: $13.16.
  • Add to cart
• Quick View

  • Quick View
  • K03, Water Quality Meters

  • PHM-245 PH & Temperature 2-in-1 Continuous Monitor Meter w/ Backlight Replaceable Electrode, Dual Display 0.00~14.00pH °C/ °F Water Quality Monitoring Kit, for Aquariums Hydroponics Pools Tanks Spa

  • Select options This product has multiple variants. The options may be chosen on the product page
• Quick View

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • PHS-3385 Waterproof pH Meter 2.1 – 10.8pH Dipstick Online Sale

  • $35.90 Original price was: $35.90.$14.36Current price is: $14.36.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • PHT-026 6-in-1 Multi-Function Meter Tester EC CF TDS PH °C °F Supply

  • $80.10 Original price was: $80.10.$24.03Current price is: $24.03.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • PHT-027 7-in-1 Meter Tester ORP , PH, CF, EC, TDS (PPM) °F °C

  • $98.00 Original price was: $98.00.$29.40Current price is: $29.40.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Optional Accessories

  • SNS-PHM-224 PH Replacement Electrode for Pen Type Combo Meter PHM-224 TDS-240 ECM-226 Fashion

  • $25.90 Original price was: $25.90.$10.36Current price is: $10.36.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Optional Accessories

  • SQM-416 Waterproof Soil EC and Temperature Meter Digital Tester with ATC for Potted Plants Gardening Agriculture Farm

  • $43.90 Original price was: $43.90.$17.56Current price is: $17.56.
  • Add to cart