Reviews

We review only the systems we link to, and each review says who the system doesn’t fit. Reviews are based on the maker’s published specs and treatment guidance from extension services, not hands-on testing.

SpringWell sulfur filter reviewSpringWell's air-injection well filter is published at 8 ppm H2S, 7 ppm iron and 1 ppm manganese. Who it fits, who it doesn't, install needs and warranty.