It doesn’t soften water instantly. Give it 30 seconds to work. The flow slows a bit. But that’s like complaining your sports car needs a warm-up. Patience, friend.
The battery lasts about 15 gallons per charge. That’s enough for a family of four to shower. Or one person with a very clean dog. Recharge it with a USB-C cable. Your phone charger works too.
And yes, it’s pricey. About $200. But consider: no more expensive “clarifying” shampoos. No more vinegar rinses. No more crusty faucets. It pays for itself in sanity savings.