Easy to use,  VERY EFFECTIVE
I wish I had before and after photos... this stuff is incredible.  Mold/mildew on 2 year old siding was terrible.  I mixed it 3:1 with water, since I have a 4 gallon sprayer.  Wetted siding, waited 5-10 minutes, and simply rinsed with a garden hose.  The siding is like brand new.  I never thought it would work this well.  Easy to use, and works AMAZING even diluted 3:1!
Rating: 5 stars