KleenUp 41% Conc. Kills all unwanted weeds and grasses. Great for preparing flower beds, vegetable and ornamental garden sites, renovating lawns and for multipurpose weed control. Can reseed 7 days after treatment. Visible results in 7 days. Complete, “to-the-root” control in 2 - 4 weeks. One quart makes 21 gals. of spray and treats 6,300 sq. ft. Glyphosate 41.0% with 15% surfactant. 2.5 gallons.