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Certain strains can utilize this product deep into flowering
Powerful mag drive construction
creating less waste & giving your plants more of what they need to thrive
blend in our Happy Frog Fruit & Flower Fertilizer
Apera GroStar GS4 pH/EC Combo Pen GAC Certain strains can utilize thisAI21040 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