Over time most lawns become compacted, squashing the soil particles together. This prevents air and water proper circulation of air, water and nutrients within your lawns soil, causing a seriously negative impact on lawns ability to grow well. Hollow-tine aeration relieves soil compaction by taking many small plugs from your law, leaving lots of small holes to allow air, water and nutrients to reach the grass roots. As a result of this root growth, your lawn will become stronger and healthier. Although it may not look pretty immediately after the job, if you care about the condition of your lawn its a job worth doing!