Step 1 · Test Soil pH and Nutrient Levels

Collect soil samples from various areas of your lawn, following the instructions on the soil test kit. Mix the samples together and send them to a lab or use an at-home testing kit. Analyze the results to understand the soil's pH level and the presence of essential nutrients like nitrogen, phosphorus, and potassium. This information is crucial for choosing a fertilizer that will best meet your lawn's specific needs and correct any imbalances.