<a href=showthread.php?s=&postid=13789938#post13789938 target=_blank>Originally posted</a> by 30mini
Ideally, you want 0ppm coming out of your RO/DI system. Might be time to change the filters!
It is a new RO/DI system that has only been up and running for about 20 hours or about 60 gallons worth of water.