Finally gave it a try; had to wait for some sunny weather. Tried some 10% vinegar, salt and a squirt of dish soap, pretty much your formula. Seemed to work pretty well, most everything turned brown, to some degree. A few things look dead, others look like they might recover. It is going to take a second spray to finish the job, which I can get to in a few days, when the afternoon rains end. I’ll try to remember to get some before and after pics this time.
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@Steve333 . That place i sprayed is still dead… but if i walk our entire sidewalk l do see a few spots of green coming back.
I will hit them again on a hot sunny day soon.
There is much less to spray now than when i did my first treatment.
After your initial spray there may be a few spots that dont initially die… you may not have got enough on them… just spray those again… the hotter and sunnier the better.
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