Digital LCD pH Meter Water Aquarium Tester Pen mini indoor farm submerge the probe in 6

submerge the probe in 6

Healthier roots

Directions:The ideal pH range for most hydroponic crops is between 5

3000 ppm (500 ppm scale)

Digital LCD pH Meter Water Aquarium Tester Pen mini indoor farm submerge the probe in 6Features: The ideal instrument for aquarium, fishing industry, swimming pool, school laboratory, food & beverage etc. Comes with calibration screwdriver and 2 sachets of buffering solution for calibration. Introduction: This digital pen style PH meter is an ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food & beverage, etc. Applied range: the production and drinking of purified water, Electroplating