S-300 Super-Quik is a two-component, fast-setting concrete repair mixture that sets in 5 minutes. It is not affected by rain, freezing temperatures, heat, or other adverse conditions. It consists of part A, a liquid activator, and part B, a dry cement compound. The system does not require water for curing and can be installed at any depth. Super-Krete International, Inc. 800-995-1716. www.super-krete.com