An AL-KO electric scarifier and lawn aerator is recommend for lawn & grass areas where moss or thatch is a problem and causes the grass to die back. Using an AL-KO lawn scarifier & aerator during the Spring and Autumn will help to remove the moss & thatch ensuring a healthier lawn growth with the young grass roots able to gain extra moisture and nutrients. If you are a serious gardener who likes a lovely, green lawn than an ALKO electric lawn scarifier is ideal for you.