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High red light ratio for healthy plant growth
granular carbon
The root pack is an amazing addition to your compost tea as well
Super silent with multi-level muffler
Can also be used as a supplemental nutrient source when growing hydroponically
Hanna GroLine Monitor Replacement Probe GAGSF750G High red light ratio forThe 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