Getting rid of moss on brick

[scapepro]

We did a brick patio for a customer a few years ago on the north side of their house, and now they called asking how to get rid of moss on the brick. I heard bleach works, but am worried about it hurting the plants in nearby beds. Is there anything else that works good for this???

[Paul]

Time to make some money $$$ You can get a paver cleaner at Unilock that will clean the brick. A power washer will also do a good job of removing the moss.

[VoodooChile]

Gardens Alive (.[URL=http://www.GardensAlive.com]) sells an "all natural" fungicide for control of moss on lawns, decks and roofs called "Moss Aside".

I haven't used it.

Pressure-washing provides some temporary relief, but this stuff will grow back. Watch out for using too high a pressure stream and dislodging base material from seams (more of a problem with the looser joints of flagstone paths and patios). Also, it is really easy to etch patterns into the surface with a pressure washer, necessitating a meticulous high pressure wash of every inch of every brick to restore a uniform "finish".

This is a serious problem for sure, as one of my clients has a DEADLY slick brick wall, that a handyman installed out of recycled bricks last year! No fatalities yet, but I'll keep you posted.

Bleach? No way!!!

[BJR]

Blast off and treat with bluestone copper sulphate. Lasts for approx 6 months. I used this method in our nursery.

[Lawn Lad]

Where does one buy Bluestone Copper Sulfate? What type of product is it?

[BJR]

It's used by Horticulturalists. Try your local plant nursery.

Just mix it in a watering can and water over the pavers. The pavers must be dry to do this, so the mixture absorbes into them. I forget what the ratio is.

[Lawn Lad]

I'll look into the copper sulfate - I also ordered a small bottle of the moss aside last night... shipping takes 10-14 days, so we'll see when it gets here how it works out.