TLDR: Calcium binds to the microplastics making them easier to filter. You have to boil > cool > filter. Works better with hard water.
TLDR: Calcium binds to the microplastics making them easier to filter. You have to boil > cool > filter. Works better with hard water.
binds to calcium… becomes particulate large enough for filtration
I get that part, but that can’t be the entire volume of everything in the water.