NuvoH2O is advertised as an easy-to-install solution to the problem of having hard water. It is a salt-free water conditioning system that is available in multiple sizes to accommodate the smallest apartments to large manors. It claims to remove hard water buildup in water heaters and plumbing fixtures, and to produce softer water that leaves less residue on dishes and on your body. NuvoH2O uses citric acid rather than salt to condition the water, and the various systems can be attached to a water supply by anyone -- no plumber needed.
NuvoH2O systems receive mixed reviews. Experts in water technology find the claims of getting softer water from a salt-free system impossible to meet, as they claim the only way to soften water is to use sodium. A salt-free system like nuvoH2O produces conditioned, not softened, water. Customers who have nuvoH2O in their homes are mostly satisfied, saying that they see a reduction in hard water spots and that their water both feels and tastes better. A small percentage say they see no improvement in their water with nuvoH2O, and some customers from both sides find the installation process to be trickier than promised.
Most customers who review nuvoH2O on Amazon.com are happy with the results of the system, though a few don't see any improvement. A water treatment expert on USWaterSystems.com (a site that sells water treatment and filter systems) debunks the claim that any salt-free system is able to produce softened water, explaining that the only way to get truly softened water is to use sodium.
About 85 customers review the nuvoH2O home system on Amazon.com, and most are pleased with their results. Many find that their water feels and tastes noticeably better, and remark on the lack of hard water spots showing up on dishes and shower doors. Some find the installation process to be challenging, citing unclear instructions and the need for more than one person. Reviewers who live in small homes comment that the nuvoH2O system fits nicely in most tight spaces. A small handful of reviewers are displeased with the system, saying they don't see any change in their water.
Review: NuvoH2O Home Complete Salt-Free Water Softening System, Contributors to Amazon.com
Mark Timmons has been working in the water treatment industry for more than 38 years and addresses water-related questions on USWaterSystems.com, a site that sells water-treatment filters and accessories. Replying to a customer question about the validity of salt-free water softeners, Timmons says that the only way to soften water is to add sodium, so any system that claims to soften water without using salt is making a false promise -- at best, these systems are producing conditioned water. When a contributor to the site asks specifically about the nuvoH2O system, Timmons admits he has never used it, but finds the results it promises to be scientifically impossible to achieve.
Review: Saltfree Water Conditioners -- Boom or Bane?, Mark Timmons, January 14, 2011