Rapitest Digital Soil Test Kit

An electronic version of the popular basic soil test, it utilizes advanced LED digital technology and patent-pending optical calibration system to read test colors.

It's easy to use with instructions for each soil pH, nitrogen, phosphorus or potash tests; just slide the test tube in optical chamber and push the appropriate button to get the test results.

Includes a booklet that provides guidelines based on nitrogen, phosphorus and potash test results and how to adjust if need be.

A quick easy way to determine what your plant's soil might be deficient in and what you may need to feed to maximize plant health.

Performs 25 tests: 10 for pH and 5 each for nitrogen, phosphorus and potash.