ProTool Gutter Bomb

Unsure which product to use to remove those nasty black stains on your gutter?
Gutter Bomb is formulated to eliminate those dark stains.
To start, add only 4oz of Gutter Bomb to 1 gallon of water.
Apply to the desired area using a Protool Pump Sprayer or Pump up sprayer .
If necessary, agitate with the MarXoff Applicator or a brush but do not let the mixture dry on the gutter.
Rinse off with water once the mix works on the stain.