Sovereign Antifreeze & Rapid Setter is designed to be added to render and mortar to allow their use in low temperatures. Cement mixes can be used down to -12C when mixed with Sovereign Antifreeze in the gauging water. At normal temperatures Sovereign Antifreeze & Rapid Setter reduces the set time of mortar allowing faster turnaround times. Sovereign Descaler is a concentrated solution of hydrochloric acid used to clean cement from tools and masonry. Sovereign Descaler can also be used to acid etch concrete walls and floors.