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Soul Big Swell can be used as an additive in conjunction with any base nutrient program for exceptional results
Great for city or well water
3 Standards
spherical aberrations
Apera GroStar GS4 pH/EC Combo Pen Orca Soul Big Swell can beAI21040 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
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