Yes, the Nuvo uses citric acid but not sure what the Watts uses yet, but both are saltless. I am a civil engineer that deals in water treatment, so familiar with water treatment, but have no idea how the saltless systems work.
Concerns with salt systems is adding salt, albeit a very small amount, to water that you drink and how does that effect a tankless water heater, and the flushing. Do you flush into a septic or flush in the yard? Concerned withdoing either...
Cooncerns with saltless, do they actually work, what do the chemicals added do to human body, probably would like the soft water feel, wife wants a softener, and do the treated hard water particles resettle if just sitting in a pipe?
Decisions, decisions....
Co
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Spane Bohem