Nanofiltration or reverse osmosis will be most effective: https://www.epa.gov/sciencematters/reducing-pfas-drinking-water-treatment-technologies https://www.epa

Nanofiltration or reverse osmosis will be most effective: https://www.epa.gov/sciencematters/reducing-pfas-drinking-water-treatment-technologies https://www.epa.gov/sciencematters/reducing-pfas-drinking-wa... (save the site while the EPA still exists!)