It depends on the source of the water you are treating as to whether it’s worth getting a UV filter or not. It probably isn’t necessary if you’re looking to purify your tap water—especially in a first-world country such as the US, where drinking water is already pre-treated. However, installing a UV water filter is strongly recommended if you collect water from a lake, well, or another private source.
What Is a UV Water Filter?
A UV water filter is typically used in tandem with another water filtration method, such as a carbon filter or a reverse osmosis system. It uses ultraviolet light to kill microbes like …