RO/DI Unit Questions

[ILIKECOUGARS]

Hi,
I just pick up a new 75 GPD RO/DI unit, when I was in Calgary last month, and was wondering whats the ratio of the waste to good water should be? I just connected it up and it seems to produce a lot more waste water than good, is there a break in period for the RO membrane?
Thanks,
Ed.

[xtreme]

It is normal to produce more waste water than good. I think the ratio is like 3 or 4:1

[mark]

3-4:1, ro's aren't the greenest

[PoonTang]

pressure and temperature of the infeed water play a big part too, but normal is about 4:1

[ILIKECOUGARS]

Yea, I kind of thought that. Looking like it's about 3.5 to 1 right now. I quess it would be a matter of time, a few W/C to see a differents it would make. I had always use tap water.
Ed.

[Funky_Fish14]

A booster pump will very much alter or change your ratios. I have two 50gph membranes hooked up in series, with a booster pump running before them... and im getting at least 2:1 waste to good water, or better. Even with COLD water going in.

[Werbo]

Could you provide the specifics of this "booster" pump that you are using?
Make, model, where you bought it, ect.
Thanks,
Tyler

[Adam NS.]

Originally Posted by mark

3-4:1, ro's aren't the greenest

They are if you plumb them to water the garden with your waste water.

[fkshiu]

Originally Posted by Adam NS.

They are if you plumb them to water the garden with your waste water.

Or use it for your washing machine.

[Adam NS.]

Originally Posted by fkshiu

Or use it for your washing machine.

????????? please xplain

Adam