Soil pH Meter w/ 10 Conditioning Films Bundle - 2 Items: Soil pH Meter with 10 Conditioning Films to wipe off the metal plates on your meter 3.0 to 8.0 soil reading scale Insert 2" into the soil and pH will be displayed in minutes Lightweight, weighs less than 0.5 lbs. Do not touch the meter's metal plates with your hands or you may alter the reading