Skip to product information
  • Description

Measure nutrient-solution pH, electrical conductivity, TDS and temperature with one waterproof pocket tester for hydroponic and greenhouse use.

Features and package

  • pH range: 0.00–14.00; 0.01 pH resolution
  • EC range: 0.01–6.00 mS/cm
  • Selectable 0.5 or 0.7 EC-to-TDS conversion factor
  • Automatic temperature compensation, stability indicator and HOLD function
  • Replaceable HI73127 pH electrode

Selection and use

Use standard pH calibration or the Quick Cal function with the compatible Hanna solution. Keep the pH sensor hydrated in electrode storage solution between uses.

Manufacturer product details and compatibility

Browse pH and EC testing supplies

Hanna HI98131 GroLine Combo pH/EC/TDS Tester

Hanna HI98131 GroLine Combo pH/EC/TDS Tester

⚠️

Special Order Item — This product is sourced on demand. Additional lead time may apply. Contact us to confirm availability before ordering.

Your price: Sold out:
Regular price $249.99
Regular price Sale price $249.99
Please write a review?
Shipping calculated at checkout.

Low stock: 4 left

View full details
  • Premium Quality

    The Mark of Trusted Quality.

  • Highest Purity

    Never Compromise on the Quality of Inputs.

  • Crop Specific

    Customized Fertilizer for your Favorite Crops.