Baking soda will raise the ph which moss doesn t like.
Remove moss from roof baking soda.
With either treatment method some moss will.
Put the solution in a hand held spray bottle for smaller areas of moss.
Apply this soapy solution to the roof and then scrub those stubborn spots.
Baking soda washes off easily so more than one application may be needed each year.
Apply the solution on warm sunny days without a strong wind.
Stir gently until the baking soda has completely.
If the stains persist consider them permanent.
Baking soda is alkaline so using it alone may make it more effective than mixing it with something acidic.
An environmentally friendly product that has been effective for moss control on my roof.
Results are usually seen in 2 3 days.
My personal favorite is baking soda which is essentially soda ash or sodium carbonate.
Add 2 to 3 tablespoons of baking soda to 1 quart of water.
For treatment use baking soda when rain is minimal and allow several weeks for the moss to die.
Mix 4 ounces of liquid dish soap like ivory or dawn to 1 gallon of water.
Add 2 or 3 tablespoons of baking soda to 1 quart of warm water in a large container.
Products containing d limonene citrus oil are also effective at killing existing moss.
I am trying baking soda as it seems to make the most sense.
How to kill moss with bicarbonate of soda.
Wait for a warm dry day and thoroughly coat the moss.
Apply enough baking soda solution to.
Also power washing is a no no you are removing the grit from the shingles and again lower your roof life.
Place the solution in a spray bottle.
3 homemade and all natural moss killer recipes mix 8 ounces of baking soda to 1 gallon of water.
Apply cleaning solution only after the roof and moss are thoroughly wet.
I buy the large bags and sprinkle it on my roof one or two times a year as needed to keep the moss down.
If the soap still isn t strong enough put it aside and add two cups of distilled white vinegar to two gallons of water instead.
How to kill moss with bicarbonate of soda.
I m trying a smaller section on a porch roof that has started to show moss not too much but want to get a handle on it.