You can apply baking soda sodium bicarbonate directly to moss as a spray powder or paste to kill moss.
How to spray powder baking soda on roofs.
Some guys swear by the lemon scented detergent believing the citrus also has some control abilities.
And although people know that baking soda has many uses you may not know that you can use it to get rid of invasive moss especially in turf grass.
Our favorite solution also from costco if you prefer is to sprinkle the cheapest possible laundry detergent powder on your roof moss.
Mix the ingredients thoroughly in a gallon size container or an empty milk jug then pour some of the mixture into a spray bottle.
Then i put it in a 1 5 gallon sprayer with a few drops of detergent and spray my concrete deck composite shingled roof and asphalt driveway.
Dry powder moss killers being hands on products force you to go onto the roof and take stock of the moss problem.
Bicarbonate of soda is just a long name for something you probably already have in your kitchen cupboard baking soda.
Coat all sides of the leaves and stems and let them dry.
For larger areas use a lawn sprayer and add 6 ounces per.
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.
This allows you to view the moss in advance of the removal process that follows.
With hydrogen carbonate and few unit ingredients you ll be able to prepare home brewed m.
In my day job as a roofing contractor this subject comes up constantly.
However dry moss killers can be difficult to dispense evenly and they can leave white streaks that sometimes remain on the roof until several hard rain showers wash them away.
I boil water and add baking soda until it no longer dries.
Avoid using old or expired baking soda or the ones that have been opened for too long.
You can also mix and spray directly from a pressure sprayer.
Spray your plants weekly preferably on overcast days to prevent it from burning the foliage.
This method is harmless to other plants including evergreens.
For the best result try to use the baking soda that is freshly opened out of its packet.
You can use plaster of paris as an alternate of baking soda.
Add 2 to 3 tablespoons of baking soda to 1 quart of water.