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Many companies sell water filters for improving the composition of water received from city mains. There is a variety of models with different number and types of filter stages, and corresponding p...
#1: Initial revision
by
matthewsnyder
·
2023-08-28T18:30:13Z (about 1 year ago)
What stages are important for water filters?
Many companies sell water filters for improving the composition of water received from city mains. There is a variety of models with different number and types of filter stages, and corresponding price differences. I suspect not all of these stages are equally critical to most people. Probably, the manufacturers put in unnecessary stages to justify a higher price for the product and for marketing reasons. The stages may be redundant with each other, the filter stage itself may be overkill for what a normal residential user would need, the stages may be filtering out things that are harmless (but scary to misinformed consumers, such as fluoride), there may be diminishing returns on expensive filter stages. What filter stages or combinations are important for an average residential consumer getting municipal water?