Mix 4 ounces of liquid dish soap like ivory or dawn to 1 gallon of water.
Remove moss from roof baking soda.
Results are usually seen in 2 3 days.
Stir gently until the baking soda has completely.
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.
Baking soda will raise the ph which moss doesn t like.
Add 2 to 3 tablespoons of baking soda to 1 quart of water.
Products containing d limonene citrus oil are also effective at killing existing moss.
How to kill moss with bicarbonate of soda.
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.
My personal favorite is baking soda which is essentially soda ash or sodium carbonate.
Baking soda is alkaline so using it alone may make it more effective than mixing it with something acidic.
I buy the large bags and sprinkle it on my roof one or two times a year as needed to keep the moss down.
Also power washing is a no no you are removing the grit from the shingles and again lower your roof life.
For treatment use baking soda when rain is minimal and allow several weeks for the moss to die.
Scrub at the moss with this mixture until the moss is gone.
Apply cleaning solution only after the roof and moss are thoroughly wet.
Baking soda washes off easily so more than one application may be needed each year.
If the stains persist consider them permanent.
I am trying baking soda as it seems to make the most sense.
An environmentally friendly product that has been effective for moss control on my roof.
Place the solution in a spray bottle.
Mix 1 cup each of murphy s oil soap antiseptic mouthwash and chamomile tea.
How to kill moss with bicarbonate of soda.
Apply this soapy solution to the roof and then scrub those stubborn spots.
With either treatment method some moss will.
Apply the solution on warm sunny days without a strong wind.
Put the solution in a hand held spray bottle for smaller areas of moss.
Apply enough baking soda solution to.
Wait for a warm dry day and thoroughly coat the moss.