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GroStar™ Premium Pen Testers are designed specifically for the horticultural market. GroStar's intelligent design reduces the guesswork so you can easily manage your crops success.

GroStar™ GS2 Soil pH Pen Tester

  • • Measures pH and temperature in nutrient solution, soil, coco coir, rockwool, and many other media types

    • Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance
    • Impact-resistant spear glass tip, 10 times stronger than conventional glass bulb
    • PTFE ring prevents a clogged junction caused by soil particles, significantly increases durability
    • Backed by GroStar proprietary sensor technology from Switzerland
    • Easy-to-use design and fast calibration adjustment
    • Replaceable Swiss LabSen Spear Soil pH Probe
    • Large 3-color backlit screen gives you clear information
    • Durable structure, IP67 waterproof rating
    • Powered by AAA batteries with auto off function
    • Automatic temperature compensation

  • • 2-year warranty (instrument)
    • 1-year warranty (probe)
    • pH 7 & pH4 calibration solution (50ml bottle each)
    • KCL storage solution (10ml bottle)
    • Lanyard and user manual

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