GroStar GS1 pH Pen Terp Derp The DSP-1 allows the user

The DSP-1 allows the user to easily connect any device that needs to be controlled by TIME to the Hydro-x

Includes: SunBlaster 18" T5HO

The LCD screen clearly displays information with measurements in liters or gallons

Recommended for use on vegetables

GroStar GS1 pH Pen Terp Derp The DSP-1 allows the userIncludes: 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