H306
Electronic Soil Tester
$ 24.95
/
This dual purpose electronic meter tests soil pH and combined nutrient levels in about one minute. The pH portion of the tester measures pH values within a range of 1-9. The fertility portion of the instrument measures the soil’s nitrogen, phosphorus, and potash (NPK) content in combination. Complete instructions and a pH preference list for 350 plants are included. One AA battery is required (not included).