Apera GroStar GS1 pH Pen

AI11010 - GroStar GS1 pH Pen Lab grade instruments designed specifically for growers! Includes:  • 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 Features: • Measures pH and temperature • Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance • Easy-to-use design and fast calibration adjustment • Double junction replaceable probe, so you don’t have to discard the entire pen when the probe reaches its end of life • Large 3-color backlit screen gives you clear information • IP67 waterproof rating • Powered by AAA batteries with auto off function • Automatic temperature compensation