10lbs of calcium hydroxide. *DISCLAIMER* THIS PRODUCT DOES NOT MEET PPPA REQUIREMENTS AND IS INTENDED FOR INDUSTRIAL AND MANUFACTURING USES ONLY AND IS NOT INTENDED FOR USE IN AREAS WHERE CHILDREN ARE PRESENT. Calcium hydroxide, traditionally called slaked lime, is an inorganic compound with the chemical formula Ca(OH)2. It is a colorless crystal or white powder and is obtained when calcium oxide (called lime orquicklime) is mixed, or “slaked” with water. It has many names includinghydrated lime, builders’ lime, slack lime, cal, or pickling lime. Calcium hydroxide is used in many applications, including food preparation. Limewater is the common name for a saturated solution of calcium hydroxide.