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granular carbon
rather than popping them off
The root pack is an amazing addition to your compost tea as well
High red light ratio for healthy plant growth
more plentiful blooms
Hanna GroLine Monitor Replacement Probe GAGSF750G granular carbonThe HI1285 8 multiparameter probe measures pH, EC TDS, and temperature in one convenient, rugged probe. Use with the HI981420 GroLine Monitor to provide around the clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient solutions. One probe. Three measurements. Built in temperature sensor ensures fast, accurately compensated readings even during sudden temperature fluctuations. Specialized for hydroponics
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