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.
Test your soil's pH level to determine if lime is needed. A pH test measures the soil's alkalinity or acidity. When the pH is above 7.0, the soil is said to be alkaline; when below 7.0, it is acidic. A pH level of 6 to 7 is ideal for most grasses. If your soil is too acidic, use a lime application.1  Bring a soil sample to a government or independent soil testing laboratory for the most complete testing results. 2  You can use a self-test kit or pH probe, sold at garden centers, to test your soil. You can use a self-test kit or pH probe, sold at garden centers, to test your soil. 2  The pH level indicated by these tests may show a need for, but do not often tell you how much lime is needed.