Aerating your lawn grass is necessary to get good and healthy growth of the grass. Lawn aerators are basically equipments that can help you aerate your lawn to encourage plush growth of the grass by enabling the roots to take in more air and sunlight. Lawn aerators come in many different sizes and shapes. Finding the best lawn aerator for your lawn is important thing. Lawn aerator shoes, hand lawn aerator and liquid lawn aerator can be your choice. Lawn aerator also come in different prices, available from cheap to expensive ones. After all, once you find the best lawn aerator for your lawn, then you need to aerate your lawn twice a year though you can do it three to four times if you are doing it for the first time and the soil is quite rigid and compact.