Discover the industry benchmark with Smith's Plaster Retarder (Tri-Sodium Citrate), designed to elevate your plastering projects to the next level. Plaster Retarder is a safe-to-use granular material called Trisodium Citrate which needs to be dissolved in water and used as a concentrate that is added to the gauging water before mixing in the plaster powder. This innovative addition ensures optimal workability and extended setting time, granting you the precision and flexibility required during installation. As a leader in fibrous plasters and molding materials, Smith's guarantees unparalleled quality and reliability with our expertly engineered products. Trust Smith's to deliver excellence in every bag.