The Nu-Calgon 4134-08 Calci-Solve Liquid is a one gallon pipe descaler designed for use in various industrial and commercial settings. Manufactured by NU-CALGON, this product effectively removes limescale buildup and calcium deposits from pipes, ensuring optimal performance and efficiency. Specifically formulated to tackle tough scale buildup, this liquid descaler is a reliable solution for maintaining the cleanliness and functionality of pipes in a variety of industrial applications.