Mix the baking soda and water in a spray bottle and shake until the solution is well mixed.
Remove moss from roof baking soda.
This can be done by having it swept and blown once or twice a year when dry to remove leaves twigs and any dirt particles.
For larger areas use a lawn sprayer and add 6 ounces per gallon.
Wait for a warm dry day and thoroughly coat the moss with the baking soda solution taking care to avoid spraying nearby plants including any turf grass.
Yes it will get rid of the moss but it destroys the protective finish on your shingles that keep the shingles from protecing your roof.
Repeat applications may be needed to completely kill the moss.
Baking soda is not on the list of recommended substances for moss removal.
You can sprinkle the baking soda directly onto the moss letting it sit on the moss for several days.
Katie stewart a consumer care representative suggested using lemon juice and baking soda or baking soda alone or bar keepers friend a powdered cleaner that contains oxalic acid.
You want to soak the moss so apply enough cover it thoroughly.
An environmentally friendly product that has been effective for moss control on my roof.
I buy the large bags and sprinkle it on my roof one or two times a year as needed to keep the moss down.
Safely dispose of the contents at your local hazardous waste recycle center hopefully your area has one like ours.
Dirt or particles on roofs can create places for moss to start growing so the primary preventative each year is to clean your roof.
Buy a bottle of moss off in the spray bottle with hose attachment.
Put the solution in a hand held spray bottle for smaller areas of moss.
My personal favorite is baking soda which is essentially soda ash or sodium carbonate.
Rinse it out well then fill it with the water baking soda mixtures you all have been recommending.
Hook it up to your hose and spray on.
And don t use laundry detergent that s another favorite home remedy here in the pnw.
After blowing apply baking soda at the ridgeline in late summer.