Simple green makes a concentrated environmentally safe cleaner with good stain removing properties.
How to wash aluminum gutters.
Rinse the gutters with a hose.
Spray a five to ten foot section at a time because otherwise the gutters may dry before you have cleaned them.
For that mix half cup of household liquid detergent with a half cup of bleach in two gallons of water.
Another option is to spray the gutters down entirely at the beginning so that you can turn the hose off.
On a windy day some of the spray might fly back into your face and you don t want this stuff in your eyes.
Use a sprayer attachment if you have one and spray the gutters from the ground to rinse them.
Use this solvent to scrub off the outer surface of your gutters with a stiff brush or a piece of cloth.
Once the mixture is applied to the gutters let it stay for 10 15 minutes before rinsing it off with a garden hose and a nozzle sprayer.
Spray the gutters put on your safety glasses and don rubber gloves if your skin is particularly sensitive to cleaners.
If you have aluminum gutters you ll want to be careful when choosing a chemical as some may cause aluminum to corrode.
It attacks the oxidation and not the paint or material.
F 13 gutter grenade is a multipurpose gutter cleaner that s safe for all types of gutters.
For aluminum try gutter zap which removes electrostatic bonded streaks with little scrubbing.