Always make sure that the blade is sharp before cutting the lawn. If not, after the mowing is done you will notice in a few days that the grass tips will turn brown. A question that is always asked is, ‘how low should I cut my lawn”? Well you should never remove any more then a 1/3 of a grass blade. Mowing to low will cause scalping and will damage the lawn severely. If you mow enough you can leave clippings, which will recycle nutrients back into the soil.