So I bought this filter because it is advertised as PUR Ultimate. I also bought a Hone Forest water tester a few weeks ago. In short, the water tester indicates that the water leaving the filter is more polluted than the water entering it. I called PUR support. I feel like I didn't get an acceptable answer. I've been told that the Ultimate Lead Reduction Filter sacrifices other contaminants to reduce lead contamination. Apparently the charcoal filter can introduce charcoal into the "filtered" water. I made comparisons to tap water, fridge filtered water, and polyurethane filtered water. Test results for polyurethane water were higher than tap water! In addition, the water is filtered higher than in the fridge! For fun, I tested water from an old filter. (The old solid blue filter.) It performed better than the Ultimate filter. Also better than tap water. And higher than filtered water from the fridge. This is all quite confusing and disturbing. Anyway me.
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