Lime Softening Quicklime that has been combined with water. Also called slaked lime or calcium hydroxide. Tags: Distribution System, Hydrated Lime, Lime Softening, Water Treatment Read more articles Previous PostDistribution System Next PostWater Quality You Might Also Like Advanced Treatment January 12, 2017 Pass Your Certification Exam – Developing a Winning Plan March 19, 2012 Water Treatment Chemical Blending July 7, 2016 Post author: Post published:January 28, 2017 Post category:Certification Exams / Distribution / Water Treatment