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For areas up to 1000 cubic feet (30 m3)
reliable hydroponic water pump designed for nutrient circulation
Never let the tip dry out (if it dries
Chemical cleaning odors
Hanna Instruments HI9811-51 Portable pH/EC/TDS/Temperature Meter MH For areas up to 1000Hanna Instruments HI9811 51 Portable pH EC TDS Temperature Meter Water Resistant One Meter for 4 Readings Noise Resistant pH Great for Hydroponics & Greenhouses The Hanna Instruments HI9811 51 is a reliable, budget friendly portable meter designed for everyday testing in hydroponics, greenhouses, and agricultural water nutrient solutions. With one 3 in 1 probe, it measures pH, conductivity (EC), TDS, and temperature, so you can monitor nutrient
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