Rechargeable Soil NPK Tester with USB C | Yieryi Save money on fertilizer We'd rather give you one

We'd rather give you one number you can trust than five numbers you have to second-guess

and charges over USB-C

Light — check whether a spot gets enough light for your plant

For lab-exact pH

Rechargeable Soil NPK Tester with USB C | Yieryi Save money on fertilizer We'd rather give you oneThis rechargeable soil nutrient tester reads one main nutrientnitrogen, phosphorus, or potassium, depending on the version you chooseon a large backlit screen, and charges over USB C, so there are no disposable batteries to swap. Insert the metal probe about two thirds into moist soil and read the value in seconds. Read it as a trend tool. The nutrient figure is a directional reference estimated from conductivity, shown from 0 to 1999 mg kguseful for