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 How to Study for Water Treatment License Exams – Part 2 of 10 July 9, 2018 How to Study for Water Treatment License Exams – Part 4 of 10 September 24, 2018 Coagulation & Flocculation January 14, 2017 Post author: Post published:January 28, 2017 Post category:Certification Exams / Distribution / Water Treatment