For that mix half cup of household liquid detergent with a half cup of bleach in two gallons of water.
How to clean aluminum rain gutters.
Spray a five to ten foot section at a time because otherwise the gutters may dry before you have cleaned them.
Another option is to spray the gutters down entirely at the beginning so that you can turn the hose off.
Attach bottle to hose.
Start your gutter cleaning task near the downspout and work toward the closed end.
When possible avoid cleaning gutters after a rain.
A mix of bleach with oxydol laundry detergent applied with brush.
Use this solvent to scrub off the outer surface of your gutters with a stiff brush or a piece of cloth.
If you haven t cleaned the debris out of your gutter yet do this first with a garden trowel.
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.
A simple solution of water and white vinegar works very well for cleaning the outside of the gutters and won t corrode aluminum.
Prep the surrounding area.
Rinse with water and if necessary reapply the chemical to remaining stains and brush again.
Rinse the gutters with a hose.
On stubborn streaks let the chemical dwell longer being careful not to let it dry.
Use a sprayer attachment if you have one and spray the gutters from the ground to rinse them.
Use some elbow grease or a power washer.
How to clean outside of gutters.
Adjust the red tip depending on the height of the gutters.
Using a power washer clean your gutters to get the initial mildew and grime off.
Brush the gutter with a stiff bristle brush.
Allowing a few dry days before cleaning your gutters will allow the debris to dry out making the chore much easier.
Apply the chemical according to the manufacturer s instructions.