If your daytime water pressure exceeds 5 bar, or if night-time pressure spikes near 6 bar, you must install a pressure reducing valve upstream.
: Uses water pressure to drive the softening process, requiring no power outlet. Twin-Tank Design harvey hv3 water softener installation manual free
If you actually wanted a fictional or metaphorical story inspired by that search query, please clarify, and I’d be glad to write a creative piece. But for a manual, the above is the most useful path forward. If your daytime water pressure exceeds 5 bar,