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BlueLab

Bluelab pH and Conductivity Pen Set, Starter Pack

Bluelab pH and Conductivity Pen Set, Starter Pack

Everything you need to measure pH, conductivity and temperature

Beginning September 1, 2025, all U.S. based companies have a 7.5% tariff surcharge included in the price on the invoice. This surcharge is applied in addition to standard pricing, as the product ships from outside the country.

  • Handheld design is compact and convenient
  • The backlit display is bright and easy to read
  • Designed for nutrient reservoirs, the Bluelab pens are waterproof and float in any solution
  • Measure pH and temperature
  • Double-junction probe and simple, 2-point pH calibration with 30-day reminder
    • Measure conductivity in EC, ppm 500 (TDS) and ppm 700 scales
    • Read temperature in C or °F
    • Factory calibrated and ready to use out of the box
    • For U.S. based companies from September 1, 2025, a 7.5% tariff surcharge will be added as a
      separate line item on your invoice, on-top of the existing pricing.

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