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

  • 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
  • K03, Water Quality Meters

  • EC-1382 Digital EC Conductivity Meter Tester Water 0~1999 us/cm with ATC & Electrode

  • $24.50 Original price was: $24.50.$9.80Current price is: $9.80.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • EC-1383 Pen Type EC / Hydroponics / Nutrient Meter (0~19.99ms/cm)

  • $27.90 Original price was: $27.90.$11.16Current price is: $11.16.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • ECM-227 Digital LCD EC Conductivity Meter Tester 0~19.99ms/cm Pen Type with Backlight, Hydroponics, Aquaculture, Water Systems

  • $13.80 Original price was: $13.80.$5.52Current price is: $5.52.
  • Add to cart
• Quick View

  • Quick View
  • K03, Water Quality Meters

  • ECM-231 Online PH & EC Conductivity Monitor Meter Tester ATC, Water Quality Real-time Continuous Monitoring, Rechargeable, for Aquaculture, Aquarium, Pond, Hydroponics

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

  • Sale!
    Quick View
  • J06, Water Quality Meters

  • ECM-302 Pentype 2-in-1 TDS / EC Meter with ATC Digital Water Quality Tester Temperature Measurement for Water Analysis Hydroponics Aquaculture

  • $23.90 Original price was: $23.90.$9.56Current price is: $9.56.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • ECS-23852 0.4 – 4.4EC EC/ppm/CF Nutra-wand / Hydroponic Meter Stick

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

  • Sale!
    Quick View
  • M01, Water Quality Meters

  • M0199720 6-in-1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature

  • $136.90 Original price was: $136.90.$34.23Current price is: $34.23.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • H02, Water Quality Meters

  • ORP-001 Pen-type ORP Temperature Meter Redox Thermometer (°C/ °F) -1999mV~1999mV Pool Aquarium Discount

  • $33.90 Original price was: $33.90.$13.56Current price is: $13.56.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • ORP-1692 0-1000mV ORP REDOX METER TESTER DURABLE ACCURATE

  • $39.90 Original price was: $39.90.$15.96Current price is: $15.96.
  • Add to cart
• Quick View

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • ORP-1696 ±1999mV ORP REDOX Meter + Electrode Water Quality Tester Laboratory Aquarium Pool

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

  • Sale!
    Quick View
  • K03, Water Quality Meters

  • ORP-235 pH mV ORP Temperature 3 in 1 Redox Meter, Removable Electrode Portable Water Quality Tester Thermometer Analysis for Hydroponic Aquarium Fish Tank

  • $91.90 Original price was: $91.90.$27.57Current price is: $27.57.
  • Add to cart