Everything you need to test soil nutrient levels. Includes a guide to treating deficiencies.
Test pH, phosphorous, nitrogen and potash levels, so you can decide which plants are suited. Equipment for approx. 60 tests
Instantly checks soil pH. Includes an easy guide to pH.
Take 10 pH tests around your garden using this traditional liquid test kit. Includes plant pH preference list.
Pop this probe into your soil and the display will tell you the pH. Includes a guide to pH preferences of a variety of plants.