Re: What is your everyday solution for HARD water?
I agree with the PP who suggested installing a water softener. We bought one at Sears about 4 years ago when we moved to this house....our water sounds a lot like yours. Our cost was about $600 for the softener, DH installed it himself (and believe me, he's not the handiest guy around.) We were having stinky issues with ALL laundry, not just diapers. It's been a lifesaver.
Our plumber friend told us our softener was a great investment - some of our neighbors have had to replace water heaters, washing machines, etc. in the first 3-4 years of owning their homes because the mineral buildup ruined everything.
Happy mama to my 4 handsome boys