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Excellent for hydroponic nutrient testing
The resilient multi-ply bag material locks air out
Perlite -horticultural grade
What is bipolar ionization and how does it work
Total Grow Control pH-EC Controller
Hydrologic GroGreen Water Filter for Garden Hose lamps Excellent for hydroponic nutrient testingGive your plants the clean start they deserve. The HydroLogic GroGreen Garden Hose Filter connects directly to any standard garden hose and delivers filtered water removing chlorine, chloramines, sediment, rust, silt, mercury, lead, and PCBs without any electricity, pump, or permanent installation. Whether you're watering a backyard garden, filling a hydroponic reservoir, or brewing a compost tea, this compact inline filter works quietly in the
