Bluelab pH Pen

Hydro45 Verified independent store

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A hardy, compact pH and temperature pen Perfect for quick and easy pH and temperature readings direct from your solution Fully waterproof - not just water resistant Simple two-poin t calibration process for accuracy One-year peace-of-mind warranty Automatic temperature compensation for accurate readings everywhere Auto-off function to extend battery life 1 AAA battery included - simply power on and go Show more