Spray & Forget SFLG-J Roof Cleaner, 1 Gallon Stoppers Pulse mode works with all

Pulse mode works with all speeds for staggered blending

sanding or machining wood

Avoid excessive brushing as this will reduce film thickness and protection

welded metal construction

Spray & Forget SFLG-J Roof Cleaner, 1 Gallon Stoppers Pulse mode works with allHighlights: Size : 1 Gallon 1 gallon makes up to 10 gallons Removes roof algae (black streaks) and moss No rinsing required Biodegradable, non corrosive time released formula Safe on landscaping when used as directed Also works on stucco, siding, brick, stone, wood and more to remove green algae stains, lichen, moss and black mildew Contains no bleach, hydroxides (Lye) or acid Bottle