Apera GroStar GS4 pH/EC Combo Pen HGC741608 It’s the perfect medium for

It’s the perfect medium for cultivating plants

Includes mounting brackets with easy-to-follow instructions

Overall product dimensions are 20 in W x 25 in D x 30 in H and a shipping weight is 221 lbs

automatic shut-off cartridge

A built-in check valve assures that all the drippers will turn on – when the system is fully pressurized – and off at the same time

Apera GroStar GS4 pH/EC Combo Pen HGC741608 It’s the perfect medium forAI21040 GroStar GS4 pH EC 500ppm 700ppm & Temp (5 in 1) Combo 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) 2. 77 EC calibration solution (50ml bottle) KCL storage solution (10ml bottle) Lanyard and user manual Features: Measures pH, conductivity (EC and 500ppm 700ppm) and temperature (5 in 1) Compatible with all GroStar