On Fri, 25 Oct 2013 05:37:40 -0700 (PDT), TimR
wrote:

On Wednesday, October 23, 2013 1:20:53 PM UTC-4, bud-- wrote:
I agree with everyone that said calcium is controlled by a water

softener. I would think of calcium compound buildup is that fast it

would be a problem in pipes, including the water system pipes.


And toilet flush valves. I'd think they'd stop working about every six months.
In some places, some do. I know a few that never make it past about
18 months.