I have the whole three stage heavy metal filter system. They have very poor well water with a very high iron content. I installed this system on January 21st, the system has been working fine until June 1st, 21. There is no red iron breakthrough, but now it loses water pressure in the house through 3 filters. The difference is now 25psi and you can see a drop in pressure in the shower. Filters need loading, 5 months now with very bad water. I will take it. Switch to a 5-month exchange cycle and you'll be fine with us. Very impressed with the system, didn't think I would get 5 months so I'm happy. I recommend buying if you have water issues.
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