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QUIKRETE Hydraulic Water-Stop Cement (No. 1126) is a commercial-grade, rapid-setting hydraulic cement that stops active water leaks in 3 to 5 minutes. Use it to patch cracks and holes in concrete and masonry - pool walls, fountains, pipes and below-grade walls - above or below grade, inside or out.
Just add water, mix to a putty consistency and press into the leak. Typical strength reaches about 5,500 PSI at 28 days.
California Proposition 65 Warning: This product can expose you to chemicals including crystalline silica (quartz), which is known to the State of California to cause cancer. Avoid breathing dust during mixing and application. For more information go to www.P65Warnings.ca.gov.
