The active ingredient for some moss killers is zinc sulfate monohydrate usually at concentrations of 99.
Zinc sulfate roof moss.
According to the manufacturers zinc sulfate will not stain roofs or corrode aluminum and galvanized gutters.
Zinc sulfate general information.
As rain runs over the strips zinc drips down your roof.
Zinc strips can be installed at the top of your roof to prevent moss from growing.
Removing unsightly moss from your roof is an important part of home maintenance.
The technique most roofing contractors use when putting a zinc sulfate or zinc chloride compound is conducive to killing moss in patches creating a dalmatian like pattern.
Among the products to use with caution are zinc potassium salts of fatty acids and oxidizing bleaching agents that do not contain chlorine.
Sprinkle a product that contains the main ingredient zinc sulfate over the moss you wish to kill.
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To use zinc sulfate one can apply powder directly to moss areas.
However while mixing and spraying a zinc sulfate solution you must be careful to protect the surrounding vegetation and watershed.
Apply the zinc sulfate at a rate of 3 pounds for every 600 square feet of space as recommended by.