Using DI water only in the LMD.... why not?

[Chin_Lee]

Originally Posted by SusanB

What kind of system uses 150 gallons to yield 50 gallons? Our reject at work was only about 10% (but that's for Vancouver water). Still, a reject of 66% is way out of wack. People initially went to RO because it was cheaper and the membranes lasted longer, but it does depend on your feed water, prefiltration etc, as well as what you're trying to remove from your water.

SusanB
what system do you use at work that used 10% waste? if I can reduce mine to 10%, i will continue to use RO/DI. But I know my waste water ratio is not out of the norm.