GroStar GS1 pH Pen nutrients It features highly reflective aluminum

It features highly reflective aluminum inside the tube and on the adjustable external wings

Kills MRSA in 60 seconds at 5ppm

trace elements

Additional/individual fittings may also be purchased separately

CULTURED UNDER PROPRIETY CONDITIONS TO ENSURE QUALITY AND QUANTITY

GroStar GS1 pH Pen nutrients It features highly reflective aluminumIncludes: 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 dont have to discard the entire pen when the probe reaches its end of life Large 3 color backlit screen gives