Hanna GroLine Waterproof Hydroponic pH Tester (HI98118)

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$99.99
$99.99
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✓ In-store pickup available in Peabody, MA
✓ Talk to a real grower: (978) 278-5898
✓ Heavy soils & media are local pickup only

A pocket-sized pH and temperature tester built for hydroponic nutrient solution. The HI98118 reads 0.00 to 14.00 pH with 0.01 resolution, and its waterproof body is designed to float if dropped in a reservoir.

  • Automatic one- or two-point calibration (pH 4.01 / 7.01 / 10.01), or one-point Quick Cal calibration
  • Renewable cloth junction — pull out 1/8" to clear clogging and restore fast, stable readings
  • Built-in temperature sensor with automatic temperature compensation
  • Stability indicator, low-battery indicator, and battery % shown at startup
  • Two-button operation; auto-off after 8 min, 60 min, or disabled