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moss on sidewalks

pines

LawnSite Member
Location
maryland
what is the best method to remove moss or a thin layer of slippery green growth off of a brick sidewalk. I have used chlorine and bleach but it just seems to come back.
 

JimLewis

LawnSite Fanatic
Location
Beaverton, OR
What you want in this situation is Copper Nitrate or Copper Sulfate. This kills moss as effectively as Ferrous Sulfate (iron) but without the resulting rust stains that you would get from iron.

Sealing the concrete helps with removal of future moss. It won't prevent moss build up. But it does make it much easier to wash off.
 
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pines

LawnSite Member
Location
maryland
Originally posted by JimLewis
What you want in this situation is Copper Nitrate or Copper Sulfate. This kills moss as effectively as Ferrous Sulfate (iron) but without the resulting rust stains that you would get from iron.

Sealing the concrete helps with removal of future moss. It won't prevent moss build up. But it does make it much easier to wash off.
Thanks Jim,

Is this an item that I can purchase at Home Depot? Also, is this applied in a liquid or granualar form?
 

MOW ED

LawnSite Fanatic
Location
N.E. Wisconsin
Trim the trees above it. The reason it grows is because it is a moist, very shady or dark area. If you have the option to get more light in the area, the sun will do the work for you. If that is not possible then you will have to do applications like Jim stated.
 

GroundKprs

LawnSite Bronze Member
Location
South Bend, IN
Roundup works very well on moss in pavement. And has the advantage of controlling any other weeds growing there.
 

JimLewis

LawnSite Fanatic
Location
Beaverton, OR
Yah, actually Round-up should work great too, as long as there's not anything else important around that the round-up would kill.

To answer your question above; No, you won't find Copper Nitrate or Copper Sulfate at Home Depot. LOL. You will have to get it at a store that specializes in fertilizer and herbicides. They are hard to find but these stores are all over. You may have to drive a little.
 
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