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a clear HD display
intelligent
lightweight design for on-the-go testing at pools
without a lab
6 in 1 Soil pH and Fertility Monitor | Yieryi Pool Water Quality Meter a clear HD displayThis 6 in 1 monitor tracks soil pH and fertility (EC) along with moisture, sunlight, ambient humidity, and temperatureone tool for a rounded read on your growing conditions. A 90 degree rotatable, backlit screen lets you read it from any angle without bending over the bed. The pH and moisture are measured directly; aim for a pH of 6. 0 to 7. 0, the zone where most nutrients stay available and plants avoid lockout. The fertility figure is a directional
