Why the clean and transparent water from artesian well becomes muddy and yellow?
The artesian water acting with a clay ground, as a rule is enriched with mineral salts including aluminum, hardness ions and iron. The concentration of iron can reach 30 mg/L. Exposed to oxygen, soluble ferrous ions oxidate into insoluble ferric-iron which precipitates and makes water “rusty”. What is a prefilter? Prefilter works as a “first barrier” for dirty water. Prefilter removes suspended solids, such as rust, sand particles etc. and prolongs the “lifetime” of the more expensive main water purifier. The impurities can consist of different size particles: from large sand particles and down to submicron colloids. Prefilter removes these particles. The size of prefilter “sieve” depends on the material of the prefilter element and its design. Which adsorbents are used in the AQUAQUALITA water purifiers? AQUAQUALITA Corp. uses only high quality, food-grade materials: AQUALEN activated ion-exchange fiber, high-quality coconut shell granular activated carbon, various ion-exchange resins
