We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › In This Article Lawn Aerators Comparison Best Overall Best Bang for the Buck Upgrade Pick Best Manual Best Heavy-Duty Best Liquid Best Drum How We Tested the Best Lawn Aerators Who Should Aerate Their Lawn Aeration Methods What to Consider When Choosing a Lawn Aerator The Benefits of Aerating Your Lawn FAQs Meet the Tester SHOW 12 MORE Soil compaction can slowly ruin a lawn , but a lawn aerator can help. Compaction is when the space between soil particles becomes so tight that air, water, and nutrients no longer circulate around the roots. It happens in the dog’s runway along the fence, the patch of grass where machinery temporarily operates, and kids’ play areas. Lawn aerating can rejuvenate your lawn by loosening the compacted soil and stimulating new root growth to fill the voids. We tested 10 different tools for aerating lawns to find the most effective and affordable options.…