replying to Gary Slusser, steve wrote: we have a well 320 feet deep.. we are using a 0-3 generator , with a scrubbing tank, then a 5 micron bed, filter tank . then into a 3000 gal holding/ settling tank then a pressure pump, pumps it into 2- 80 gallon pressure tanks then this water goes thru a water softner problem is that the anodes in the water heaters last only about 6 months and everything we find says that the water is TO SOFT . the only way i can think of is to bypass a bit of water before it gets to the softener and introduce it to the soft water as it leaves the softener!! i hope there is a differential pressure but i am not sure how accurate this will be at different flow volumes ie: filling a bath tub vs. getting a drink of water from a kitchen faucet