... often troubled our customers,so we give some tips as follows,Sincerely hope to solve some problems aroundyou. ... monthly. Do not use a metal rake or brush on the grass, which weakens it. Also, avoid alcohol ... allowed to use crayons and other art supplies on the lawn because they are difficult to clean. ... 3)Forbids to use harsh chemicals, such as bleach, on your artificial grass. This can create a toxic ...