WM Barr SF150 Roof and Surface Cleaner Concentrate 32 Ounce Spray & Forget

Spray & forget, 32 ounces, super concentrate revolutionary roof cleaner. eco-friendly, free of bleach, phosphate, chlorine, lye & heavy metals or acids. removes stains caused by algae, mold & mildew. see results in minutes. with built in hose sprayer. pre-mixed cleaner removes fungus & lichen stains from roofs, siding, decks, brick, stucco & other exterior surfaces, biodegradable, non-corrosive & doesn't require power washing. with the 20 feet sprayer your roof can be cleaned from the ladder rather than walking on your shingles. no rinsing required and your landscaping will not be compromised.