Home water softening
By: Ronald E. Hermanson.
Series: Extension mimeo -- 4476.; Extension mimeo (Washington State University. Cooperative Extension Service) -- 4476.
Publisher: Cooperative Extension Service, College of Agriculture, Washington State University
Published: 1979
Place of publication: Pullman
Language: eng
Subjects: Water -- Softening; Water -- Hardness; Water quality
Notes: Caption title.

"August 1979"--P. [1].

"EM 4476"--P. [1].