greetings from Gulfport Ms i seen some of your house washing videos on youtube and hoping you could share a little of that wisdom i own and operate a lawn maintenance co. and do pressure washing but am wanting to add soft washing i had planned on going out to texas to a course on soft washing but not enough time kids and work keep me pretty busy could you suggest a good start up kit and the main factor is chemicals i have read hours of different mixes just dont want to damage any roofs im just really looking to doing shingled roofs i read on the asphalt roofing association where  it recommends household bleach and detergent then i read to use sh debbie1212% any help would be plenty thanks patrick