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Pargro is an ideal stone wool growing media
can be installed in parallel to increase the water flow
75 in Micron rating 10 micron Capacity 16
humid air out — the kind of steady negative-pressure exhaust that helps HVAC and dehumidifiers hold VPD in a packed room
Hanna GroLine Waterproof Hydroponic pH Tester HI98118 Environmental Controllers Pargro is an ideal stoneHanna GroLine Waterproof Hydroponic pH Tester HI98118 The Hanna GroLine Waterproof Hydroponic pH Tester (HI98118) is Hanna Instruments latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern looking meter is only 0. 7" thick and extremely ergonomic, fitting comfortably in your hand. The Hanna GroLine Waterproof Hydroponic pH Tester has a very large and easy to read LCD display that shows both pH and temperature along
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