just got a w.f.p trolley system using d.i vessal only for purifaction! tap water tested around 300 ppm on my tds meter... so im thinking it could be expensive using only d.i?
i only do 1st floor with w.f.p and use trad on ground floor to cut down on resin use!
today i tested the rain water collected in water butts and its 40 ppm
....
so to my next question....
can i use rain water to increase the life span of my resin? and will i need to filter the bits/muck out of the rain water before i d.i filter it?
many thanks in advance
george.