Choosing the right water purification technology depends heavily on the specific contaminants in your local water supply. Water is the fundamental building block of life, but in today’s rapidly industrializing world, pure water is increasingly becoming a luxury. With rising levels of pollution, agricultural runoff, heavy metal contamination, and drastically fluctuating TDS (Total Dissolved Solids) levels in our municipal and groundwater supplies, relying on a simple cloth filter or traditional boiling is often no longer enough to keep your family safe. When you start shopping for a modern water purifier, you are immediately bombarded with a dizzying array of scientific acronyms: RO , UV , UF , NF , and TDS . It can get confusing fast, and sales representatives often push the most expensive models regardless of whether your home actually needs that level of filtration. The three biggest contenders in membrane-based filtration technology are Ultrafiltration (U...