R. R. Branstrom | Daily Press
General Manager Robert Dunville at Culligan of Upper Michigan discusses the prevalence of dissolved solids in unfiltered tap water. The middle bar holds the amount of calcium carbonate found in 50 gallons of water in a typical American city with 7 grains per gallon. The empty panel all the way on the left is what would be present after water softening.
ESCANABA — Culligan has been treating water — removing harmful bacteria and dissolved solids, adding elements in when desired — in the Upper Peninsula since 1941. The local dealership, a franchise, services the western U.P. and into Wisconsin and was bought by Culligan International in October of 2023, meaning the already greatly experienced business managed by Robert and Theresa Gunville now has more support while still…
