Unlike purely manual mechanical descaling (which involves scrubbing or scraping), the "manual" for Cillit involves a specific chemical process that requires user oversight. It is formulated to be faster and more effective than homemade solutions like vinegar or citric acid.
Water contains dissolved minerals, primarily and magnesium . In many regions, these levels are so high that they crystallize when heated, creating "scale." The Cillit manual begins by explaining how the device intervenes: descalcificador cillit manual
Users should occasionally test the water at the tap to ensure the softener is still outputting "soft" water (ideally around for human consumption). Sanitization: Models like the Cillit-Parat-Eco Bio descalcificador cillit manual