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
  • A01, Water Quality Meters

  • 835-1 Digital Waterproof EC Conductivity Temperature Meter Tester Pen-type, Dual Display Water Quality, Thermometer, IP65

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

  • Sale!
    Quick View
  • A01, Water Quality Meters

  • 836-1 Digital Conductivity TDS Meter, ppm ppt uS mS °C/°F Pentype Water Quality Tester with ATC Hot on Sale

  • $45.90 Original price was: $45.90.$18.36Current price is: $18.36.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • A01, Water Quality Meters

  • 837-3 Pentype TDS / Salinity / Temperature Tester Water Quality Meter ATC Multiple Units (ppt, ppm, S.G., %, °C, °F) Digital Tool for Saltwater Monitoring & Testing IP65 Waterproof Housing

  • $41.71 Original price was: $41.71.$16.68Current price is: $16.68.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • A01, Water Quality Meters

  • 837-3_bag Pentype TDS / Salinity / Temperature Tester Water Quality Meter ATC Multiple Units (ppt, ppm, S.G., %, °C, °F) Digital Tool for Saltwater Monitoring & Testing IP65 Waterproof Housing

  • $46.90 Original price was: $46.90.$18.76Current price is: $18.76.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • A01, Water Quality Meters

  • 8403 Professional Digital Large LCD Dissolved Oxygen DO Meter Tester Handheld Water Quality Tester with Temperature Measurement

  • $212.90 Original price was: $212.90.$53.23Current price is: $53.23.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • A01, Water Quality Meters

  • 868-5 Waterproof pH meter with Temperature + Auto Calibration

  • $44.90 Original price was: $44.90.$17.96Current price is: $17.96.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • A01, Water Quality Meters

  • 868-9 Waterproof Digital pH Meter Tester Thermometer °C °F Replaceable Electrode Pentype Design

  • $64.90 Original price was: $64.90.$19.47Current price is: $19.47.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • A01, Water Quality Meters

  • 869-0 Professional pH Temperature Meter Tester °C /°F ±0.05pH High Accuracy Portable Water Quality Device

  • $62.90 Original price was: $62.90.$18.87Current price is: $18.87.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • A01, Water Quality Meters

  • 8694 Long Glass Tube Pentype pH Meter Sharp Tip Probe Digital Water Quality Tester Dual Display with ATC 2.0~12.0pH Measurement Range

  • $101.90 Original price was: $101.90.$25.48Current price is: $25.48.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • A01, Water Quality Meters

  • DOM-383 Digital Rechargeable DO Meter Dissolved Oxygen Tester with Floating Probe Long Cable Electrode, ATC

  • $141.90 Original price was: $141.90.$35.48Current price is: $35.48.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • A01, Water Quality Meters

  • ORP-8651 3-in-1 Heavy Duty pH, mV & Temperature Meter w/ auto buffer recognition

  • $151.91 Original price was: $151.91.$37.98Current price is: $37.98.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • A01, Water Quality Meters

  • ORP8552 ORP Meter Pen Type Redox 999mV Waterproof IP65 Digital Water Treatment Tester

  • $67.90 Original price was: $67.90.$20.37Current price is: $20.37.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • A01, Water Quality Meters

  • PH869-2 Pen type 12cm Probe pH Temperature Digital Meter 14.00 pH Pool Aquarium Water Quality Tester

  • $49.90 Original price was: $49.90.$19.96Current price is: $19.96.
  • Add to cart
• Quick View

  • Quick View
  • A01, Water Quality Meters

  • PHM-295 2-in-1 Combo pH & Temperature Meter Fish Tank Monitor Thermometer Replaceable BNC pH Electrode for Aquariums Hydroponics Aquaculture Laboratory

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