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Picture Test - 2 guns on deck

Ken Fenner

Active member
Ken I cant believe you got a strong enough mix to hit the roof using your DSer?

Fresh 12%, 150 ft of hose, the right gun, undersized injectors and the right synergistic caustics as long as the roof isn't too bad. Its not a method I would advocate. We had an ipe deck on the other side I didn't want them to get strong bleach on.
 

plainpainter

New member
If your surface is flat - I've killed mongo-sized moss with 'wild' cherry mix downstreamed. The strength of the bleach needed is a function of how steep your roof is. I clean up whole patios and brick areas with downstreamed 'wild' cherry - with enough dwell it kills everything. Roofs without much pitch don't need such a strong solution - unless you are applying a 'mist' via pump-up.
 

Justin

New member
I found an area I might be able to help a little. A tip for before and after pics. Try to take them at the same time of day. Sometimes this might not be possible but if you can it should look real good.
 
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