10 Best Water Softener Salt Free Conditioners for Tankless Heaters (September 2026) Expert Reviews
Short answer: yes, salt-free conditioners work, but they are not softeners. A salt-free system does not pull calcium and magnesium out of your water. It holds those minerals in a form that stays suspended and drains away, so scale stops forming on the inside of pipes and heat exchangers. What you get is scale control, … Read more