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Temp/Humidity/Light: 1
critters and ground feeding birds
Less competition for nutrients in the soil allows plants to develop healthier root systems with increased biomass
These membranes are standard equipment in our SP
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GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen Sol Soils Temp/Humidity/Light: 1Description Product Details: AI21040 GroStar GS4 pH EC 500ppm 700ppm and Temp (5 in 1) Combo Pen Lab grade instruments designed specifically for growers! Includes: 2 year warranty (instrument) 1 year warranty (probe) pH 7 and 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
