Posted 2/3/2011 17:42 (#1590797 - in reply to #1589843) Subject: Re: Chemicals for a humidifer
Dad was just telling me a day or so ago that he and Mom have started using hydrogen peroxide. They don't have a water softener and used to have lime buildup in their humidifier. No more. I don't know why, but if it works and the price is right, more power to them. Maybe it will work for you?