The answer to 'aeration dying' is that there are several common causes for aeration issues in your lawn, including soil compaction, thatch buildup, and improper timing or technique. Symptoms may include thinning grass, reduced water infiltration, and poor nutrient absorption. Solutions can range from DIY aeration to professional lawn care services, depending on the severity of the problem.
Soil compaction is a leading cause of aeration failure. This occurs when the soil becomes dense and hardened, preventing oxygen, water, and nutrients from reaching the roots. You can test for compaction by pushing a screwdriver or other tool into the soil - if it's difficult to penetrate, your lawn likely needs aeration. Thatch buildup, which is a layer of dead grass and debris, can also prevent proper aeration and water flow.