Gutter Zap cleans black streaks off gutters caused by electrostatic bonding. Simply wet down the gutter, spray on Gutter Zap with your favorite chemical injector and rinse off with garden hose pressure, light brushing with a soft brush is required on heavily soiled areas.
Gutter Zap will clean gutters quickly and easily and it will not harm vegetation or painted surfaces, just follow the instructions. Purchase some Gutter Zap for yourself and watch those zebra stripes disappear! This gutter cleaner will remove black marks from your gutters and make them look brand new!