Hi Mark, Water softners work by replacing calcium ions with sodium ions (salt). This is very hard on DC systems and on pianos in general--the clients should not use softened water in their units. At 02:00 PM 12/4/2005 -0500, you wrote: > I use the humidifier treatment only occasionally on my own piano at >home where the water has a fairly high mineral content. I get very little >buildup on the heater bars and the pads seem to last forever. OTOH, I have >had customers with water softening systems where the pads were shot after 4 >months and the crud had to be scraped off with a knife. - Mark Dierauf Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T. Non calor sed umor est qui nobis incommodat mailto:pianotuna@yahoo.com http://us.geocities.com/drpt1948/ 3004 Grant Rd. REGINA, SK, S4S 5G7 306-539-0716 or 1-888-29t-uner
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