HM Digital Meters for testing PH and PPM/EC/Temp. Getting them ready for first use for hydroponics. Grow Somethin' with Jeff 13:29 3 years ago 2 324 Далее Скачать
HM Digital PH 200 PH Meter Unboxing & Calibrating - How to Calibrate PH Meter TaraLee 7:37 4 years ago 14 625 Далее Скачать
I show you how I clean & calibrate my HM Digital PH-80 pH/Temp meter for the next growing season! Cannabis Reviewer 20:39 1 year ago 392 Далее Скачать
HM Digital PH Meters pH 200 pH 80 pH100 pH80 Product DEMO Directions - Hydroponic Meters Monster Gardens 3:12 13 years ago 24 757 Далее Скачать
Hydroponics pH meter review: HM Digital pH80 Everest Fernandez 0:43 10 years ago 19 280 Далее Скачать
PH 80 calibration will shows ERROR, if Enter Button not pressed, during calibration Dhongadi Engineering 1:01 3 years ago 470 Далее Скачать
HM Digital PH80S pH meter unboxing & review!! Cannabis Reviewer 16:57 2 years ago 5 418 Далее Скачать
