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Filtered by: chlorine Clear Filter

7 Best Shower Water Filters (2025), WIRED Tested and Approved

Compare Our Top 6 Shower Chlorine Filters Grinder Filter media WIRED testing results Certifications/independent lab data reviewed by WIRED Filter replacement cost Type Other features Canopy Filtered Showerhead KDF-55, calcium sulfite, activated carbon Reduced total chlorine to undetectable levels in a chloramine-treated system No $27-$37, every 3 months Fixture Adjustable spray Weddel Duo Activated carbon, plus “proprietary medium” Removed most but not all total chlorine in a chloramine-treated

An Inventor Is Injecting Bleach Into Cancerous Tumors—and Wants to Bring the Treatment to the US

Xuewu Liu, a Chinese inventor who has no medical training or credentials of any kind, is charging cancer patients $20,000 for access to an AI-driven but entirely unproven treatment that includes injecting a highly concentrated dose of chlorine dioxide, a toxic bleach solution, directly into cancerous tumors. One patient tells WIRED her tumor has grown faster since the procedure and that she suspects it may have caused her cancer to spread—a claim Liu disputes—while experts allege his marketing

The Best Water Filter Pitcher for 2025

As mentioned earlier in this article, there are quite a variety of contaminants worth removing from your tap water. The team here at our lab settled on three primary tests to benchmark the efficacy of these filters: TDS, pH and chlorine. Before we began the actual testing process, each pitcher was removed from the packaging, cleaned and then prepared per the manufacturer's instructions. This is very important, as most of these filters utilize activated carbon filtration, which will deposit sedim