Any chemical that is used needs to be kept out of the stormwater system.
Copper sulphate roof moss killer.
A brownish color indicates the moss is dead.
You can find copper sulfate at stores like lowes and tru value hardware being sold as root killer dries out the roots so they break away from the sides of the pipe.
The easiest and cheapest way to kill and prevent moss algae is by using a copper sulfate solution.
Spray copper sulfate over the moss affected roof using a garden or hose end sprayer blending and applying the material at a rate of 1 4 to 1 2 ounce of material per 10 gallons of water.
See the before and after shots 1 day after fohman applied the 4 copper sulfate to the roof.
The copper sulfate solution will only kill the moss if it s allowed to remain on the moss for 24 hours prior to any watering including rain.
When the pipe is.
Soap helps the moss absorb the other ingredients which then work to dry out the moss and kill it if you have any moss on the ground cover it with this solution.
If you collect water from your roof in rain barrels avoid using the water for your vegetable garden.
Copper sulfate kills moss on contact making it ideal for killing moss growing on your roof.
The sight of moss growing on a roof lends a house a romantic old fashioned air but the moss can lead to leaks and structural damage.
Billnovember 19 2017 at 8 04 am.
Stop a moss problem from returning by installing strips of zinc or copper coated sheet metal just below the top ridge.
See the before and after shots 1 day after fohman applied the 4 copper sulfate to the roof.
Copper strips and copper impregnated shingles should be avoided due to copper s toxicity.
Washing down the pipe will remove spider webs and leaves that clog up the pipe.
Copper sulphate kills moss on contact making it ideal for killing moss growing on your roof.
Copper is roughly 10 25 times more toxic to aquatic life than zinc.
Various chemicals including copper sulfate are capable of killing moss and limiting regrowth.
Mix the water salt and vinegar in a bucket and then add as much soap as needed as long as it totals less than 20 percent of the mixture.
Have someone not you get on the roof and run a garden hose down the vent pipe and turn the water on.