GroStar GS1 pH Pen nutrients Pumps up to 1/4-inch solids

Pumps up to 1/4-inch solids

With CO2 enrichment

such as mineral complexes that are no longer available to plants

Kills MRSA in 60 seconds at 5ppm

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

GroStar GS1 pH Pen nutrients Pumps up to 1/4-inch solidsIncludes: 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