Easy At Home Soil Test. Here's a guide to testing your garden's soil, at home for free. It's a low tech method to see if you have either highly acidic, or extremely alkaline soil. Most plants thrive in a soil with a neutral (or near neutral) pH.
You can test your own soil! Take two separate cups and add your soil sample to each. In one add vinegar and the other add some water, stir and add baking soda. If nothing at all happens your soil is some what PH balanced.