Sakrete® 60200700 Hydraulic Cement Leak Stopper, 50 Lb Thanksgiving A light spray of CorrosionX

A light spray of CorrosionX on power heads

6-40-Hort4

as well as flow control

Maximum 2-3/8" wide sweep

Sakrete® 60200700 Hydraulic Cement Leak Stopper, 50 Lb Thanksgiving A light spray of CorrosionXA mixture of sand, cement and special additives designed to stop the flow of water through breaks in concrete and masonry. It will even stop leaks underwater and under pressure. 50 lbs Instant setting hydraulic cement. Great for leaks in pools or stopping other active leaks in concrete and masonry. For all kinds of instant repairs to concrete and masonry. No need for forms or braces. Just add water. WARNING: Cancer and reproductive harm. www.