Jessica Wynn: Most tap water in the US is safe to drink, the rise of personal filtration systems reflects consumer preferences, and understanding water hardness is key for home maintenance

Key takeaways Historical water filtration techniques have evolved from using natural materials to advanced technologies. Most tap water in the US is safe to drink, countering common public skepticism. The shift to personal water filtration systems reflects changing consumer behaviors rather than public health needs. The home filtration industry began from a desire for better-tasting beverages, not health concerns. Hard water can cause limescale buildup and reduce cleaning efficiency. Soft water helps in reducing detergent use and prevents limescale, enhancing cleaning outcomes. Water softeners and filters have distinct roles in…