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The new 4-in-1 sensor comes with a LCD screen which provide the ease of onside monitoring
They are mesh on the sides and bottom for maximum aeration
CFDs are used for engineering aircraft propulsion engines
water recirculation and more
Change filters every 6 months
Hanna GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester HGC760848 The new 4-in-1 sensor comesThe HI98131 is a slim, lightweight, and waterproof pocket tester that measures pH, conductivity (EC), TDS (ppm), and temperature. Simple, two button meter operation and advanced features, including a selectable EC to TDS conversion factor (0. 5 500 ppm and 0. 7 700 ppm). for your essential testing. All measurements in a single, hassle free tester. Quick Cal solutions to calibrate pH and conductivity all at once with a single solution. Perfect for