Split these off to start a new thread.
Graphixx in your research did you happen upon why such a high portion of water is 'rejected' at the membrane, and more specifically why it's rejected instead of just being filtered?
Before I get it wet, I took ours all apart to see what made it tick, curiosity got the better of me.... Quite simplistic in design, prefilter, carbon stages, RO, and DI.
And yeah, I take EVERYTHING apart.