To find out when your post office is open: 1  Enter your location in Find a Post Office. 2  A map will appear displaying post offices near you. 3  Select Hours and Services. 4  Select your desired location to view the hours of operation.
Testing Soil pH with a Commercial Test Probe. 1  1. Dig a small hole in the soil. 2  2. Fill the hole with water. 3  3. Insert the test probe into the mud.  4. Hold it there for 60 seconds and take a reading. pH is usually measured on a scale of 1-14, though the tester may not include this entire range.
How to Test Your Garden Soil pH. If you want healthy, vigorous plants in your garden, you need to get on intimate terms with your garden soil pH. Store-bought test kits can give you a rough idea of your soil's pH and nutrient levels. Soil isnât sexy; for some, itâs dull as dirt. But for a brilliant and bountiful garden, youâll have to test your soilâs pH. Hereâs how you can help your garden soil be the best it can be. Just like people must digest nutrients from food to grow, plants must absorb nutrients from soil to thrive.