There's a shot you can get if it stays hard for more then 4 hours...

I kid I kid.

A Water softening system can be had cheaply if you find one used, I found ours on Craigslist it was newer and only needed to be serviced by the company who made it. Going strong 5 years later

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hum.....
1987 300TD 311,000M Stolen. Presumed destroyed