I am wondering if any off-the-shelf R.O. systems, like these (see link below) would work for concentrating maple sap. Obviously I'd need to collect the waste line instead of the filtered-water line, but if this would work it would save me some time fabricating something.

Thanks!
Jay

https://www.amazon.com/s/ref=nb_sb_s...=3NHW7QPIPHRFC