This super concentrated multi-task formula makes 11 gallon

Cleans, degreases and restores: Vinyl and aluminum siding, gutters, roofing, concrete driveways, brick, stucco, masonry and wood

Contains Sprorex which removes mold, mildew, and algae stains from wood, decks, fences to include composite decks

No scrubbing needed, just spray on and then wash off

Special additives act to protect O-rings to protect pressure washers

No bleach or ammonia, Earth Friendly Formulation is safe for people, pets, and plants

Water-based, nontoxic, and biodegradable

Gallon size