
Apera Instruments GroStar GS1 pH Pen
GroStar Product Documents GroStar pH 4 Solution SDS GroStar pH 7 Solution SDS GroStar pH 10 Solution SDS GroStar ORP Storage Solution SDS Lab grade instruments designed specifically for growers! The GS1 pH Pen includes: pH 7 & pH4 calibration solution (50ml bottle each), KCL storage solution (10ml bottle), lanyard and user manual 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 Durable structure, IP67 waterproof Powered by AAA batteries with auto off function Automatic temperature compensation 2-year warranty on pen, 1-year warranty on probe