Results are usually seen in 2 3 days.
Killing moss on roof with baking soda.
You want to soak the moss so apply enough cover it thoroughly.
The epa has labeled baking soda as a bio pesticide or a pesticide derived from natural materials.
The area i treat is damp and in the shade.
As with baking soda applying vinegar or lemon juice directly to moss will slowly kill the moss by changing the ph of the area.
1 add 2 to 3 tablespoons of baking soda to 1.
Mix the baking soda and water in a spray bottle and shake until the solution is well mixed.
Mixing with water and dry sprinkle directly to the mossy area.
You can also use zinc or copper strips installed on the ridge of the roof.
Zinc and copper strips.
With either treatment method some moss will slough off naturally as it dies.
And don t use laundry detergent that s another favorite home remedy here in the pnw.
Gently remove the rest with a wire or nylon brush.
Repeat applications may be needed to completely kill the moss.
As it rains the metals leach down on the roof and suppress moss growth.
Use any of these recipes to kill these tiny plants over a large area.
Been using baking soda to kill moss in my lawn for many years.
These operate under the same principal as the moss killers.
These work well on simple roof lines with sound pitches 4 12 and steeper roofs.
Simple easy and cost effective the alkalinity of the baking soda kills the moss.
Once every couple of years keeps it under control.
Mix 1 cup each of murphy s oil soap antiseptic mouthwash and chamomile tea.
Mix 4 ounces of liquid dish soap like ivory or dawn to 1 gallon of water.
Baking soda provides short term relief from moss but improving the wet shaded compacted soil in which it thrives is the only long term solution.
Among the products to use with caution are zinc potassium salts of fatty acids and oxidizing bleaching agents that do not.
I have tried both ways.
Mix 8 ounces of baking soda to 1 gallon of water.
For treatment use baking soda when rain is minimal and allow several weeks for the moss to die.
Walk around spraying any moss patches with your natural moss killer for lawns.
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.
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.
Products containing d limonene citrus oil are also effective at killing existing moss.
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.