Recent content by chell

thanks.

Thank you for your quick reply! So does that mean that that the molecules for the bad stuff are bigger than that of minerals and good stuff and therefore cannot pass through? Otherwise how does the SPM differentiate between the two groups?

HI, this is the first time I have posted on this site. I know very little about physics, so am not sure if this is ok to post here, but I wondered if anyone could tell me if reverse osmosis is a true phenomena and whether reverse osmosis water filters (which you can buy and fit to your taps...