Apera GroStar GS4 pH/EC Combo Pen Clone Machine The PCT-2 probe is a

The PCT-2 probe is a commercially rated probe and it connects to the Aqua-x via the AMP-2

There are species in the root pack that will also deter algae growth on rockwool when the root pack is added to your recirculating reservoir at the rate of 1/3 tsp per gallon

Designed to enrich your valuable crops with a robust bouquet and plenty of resins during the flowering phase

Use our sturdy black vinyl tubing

Crafted from premium mineral glass

Apera GroStar GS4 pH/EC Combo Pen Clone Machine The PCT-2 probe is aAI21040 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