I had a system installed by H2O Concepts in July 2013, and have experienced new buildup on my recently replaced faucets. After my third call to H2O Concepts, and 2 1/2 days later, I finally reached a technician. The technician explained that my calcium carbonate buildup problem on my fixtures is normal, and expected. The technician made sure to point out that I initialed the line on the sales agreement that explained the residual buildup during their water treatment process. After my further review of the sales agreement, I realize how I missed the verbiage; H2O Concepts considers residual calcium buildup as a "Feature or Benefit" of their water treatment system. As written in their Sales Agreement, within the Features and Benefits section, the 3rd item describes the process as: "The AMP Force by using electronic impulses converts calcium to water soluble, non-adherent calcium carbonate". It goes on to state: If water is allowed to evaporate the dissolved calcium carbonate will be left behind". Further stated: "Although easily removed, this residue should be anticipated and cleaned before multiple layers accumulate." I am not sure how H2O Concepts can claim "non-adherent calcium carbonate" in one sentence, and then insist that it is your obligation to dry your faucet after each use to avoid build-up. Moving from Oregon, an area that requires little or no in-home water treatment, I accepted the sales persons presentation without question. Now, better informed, I would have asked H2O Concepts prior to purchasing their system: (1) Why buy a water treatment system that requires the cleaning of your fixtures after each use? (2) Why buy a system that will allow the same damage to your faucets, albeit it may take a longer time, as an untreated water supply? (3) Why buy a water treatment system from a company that takes 2 1/2 days to reach a technician?