It is always good to be fairly sure about the pH of your soil. It can mean the difference between having a happy plant or a stressed and diseased plant.
by Luster Leaf
Use probe to instantly test your soil for acid or alkaline. Then use information included to find which plants are best suited for your soil and how to (alter)the soil conditions. Also included is a plant care booklet which lists over 400 pH levels.
Digital results from 3.5 to 9.0. Printed instructions and plant pH preference list packed with the meter.