4 ms·
RO systems vary by efficiency, but 1:5 seems way out of whack. My tankless system claims 2:1 output:waste, and while I haven't measured it directly, I'd say tha
by cheald 2y ago
RO systems vary by efficiency, but 1:5 seems way out of whack. My tankless system claims 2:1 output:waste, and while I haven't measured it directly, I'd say that's probably pretty close to right.
- whyenot 2y ago"For example, a typical point-of-use RO system will generate five gallons or more of reject water for every gallon of permeate produced." https://www.epa.gov/watersense/point-use-reverse-osmosis-systems https://www.epa.gov/watersense/point-use-reverse-osmosis-sys...
- reducesuffering 2y agoThis is outdated as most of the mfgs have gotten better at it. Mine is 1:1 drinking:waste and my monthly water consumption is barely affected as it's indiscernible in the noisy variation. First 4 links on Amazon I'm seeing 2:1, 2:1, 3:1, 3:1
- jon_richards 2y agoI looked into this a while ago and didn't understand why the efficiency claims were so different, but here's a video of a RO system running https://www.youtube.com/watch?v=2r_T7Bgi3hQ https://www.youtube.com/watch?v=2r_T7Bgi3hQ