jeff
took a reading of 300 used some purlite in a barrel got it down to 128 not good mate do i need more resin filtered it through some garden fleece me missus had got the bits out we live in a very hard water area anwhere you know there is a soft water area
cheers
alan
you would be better off buying a small RO unit, if using resin, you need to run the water though the resin, not just put it in the barrel
have a look on the DIY site, it explains it in fairly simple terms
google DIYWFP