Bleach is a great cleaning tool. Keep it away from any thing which is green or it might turn brown. As for shock vs bleach use both keep the shock for those super ugly stains on sidewalks and bleach for the rest. For when cleaning start with the weaker cleaning solutions and move up the ladder from there. After a while you will be able to look at stains examin them and determine the quickest and most efficient way of cleaning the surface. Research and learning are imparative if you want to suceed.
DAFF MOBILE WASH
WINDSOR, ONTARIO CANADA