Just replaced old filters and added new filters. I installed this 3 stage system about a year ago and since then I have noticed a significant reduction in limescale build up on my shower heads and a significant reduction in the ring around the toilet and sink. This year I added a lead filter instead of a third carbon filter. So far so good, very happy with the purchase of the ispring filtration system and its filters. It does the job. By the way, my house gets its water from the village's well system. I will try to update within the next 6 months.
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