Plaudits and many thanks to the helpful, courteous folks here at DoMyOwn. This product worked powerfully against an invasion of spurge on my hybrid Bermuda lawn-- which still holds the unofficial title as Pride of The Neighborhood.
Weeds die, but not in just hours. A good 24 hours before I saw any yellowing. After about 3 days, saw more yellowing. It works in time, but not any faster than other weed killers, and takes LONGER than some