Pay in 4 interest-free payments of $38.50 Learn more
Ships within 48 hours · Estimated delivery Sep 19 - Sep 24
Designed to enrich your valuable crops with a robust bouquet and plenty of resins during the flowering phase
application must be timed for a stage of development when larva are present in the soil
Use our sturdy black vinyl tubing
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
Apera GroStar GS4 pH/EC Combo Pen Clone Machine Designed to enrich your valuableAI21040 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