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AXEON by Pentair® 20" Big Grey Cartridge Housings
*Airflows based on blower manufacturer curves
Suits all growing styles
15 cubic feet of Calcite Media
Hanna Instruments GroLine pH Tester Thermometers AXEON by Pentair® 20" BigThe GroLine Hydroponics pH tester has been designed with many advanced features that are found typically in more expensive portable instrumentation at an economical. The GroLine pH tester with advanced for the measurement of pH in hydroponic nutrient solutions. The HI98115 is a very simple meter to operate with all functions including turning on off and calibration are performed with a single button. The HI98115 features a replaceable HI1271 pH
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