What do yo do with your RO waste water?

[Bubbles_B]

You sure about that?

I like to add to this. You get roughly 1 gallon of R/O water for every 5 gallons. So in essence, Anthony Calfo is wrong. You would end up wasting 80% of the that water. I know, I work as an biotech engineer we have to account for the waste water during production.

 

[acronautical]

My waste line is about 30 feet long. I move it around the entire front yard and water the whole thing, especially the tree.

 

[Kbra]

Right 4/5 is 80% so the waste water is 20% more concentrated than tap...

I like to add to this. You get roughly 1 gallon of R/O water for every 5 gallons. So in essence, Anthony Calfo is wrong. You would end up wasting 80% of the that water. I know, I work as an biotech engineer we have to account for the waste water during production.

 

[racefan]

During the summer I use mine to top off the swimming pool. The rest of the time I just toss it on the grass, I'm on a well so in essence I'm recycling it.

 

[kingfisherfleshy]

That really depends on your aquifer. Either way it is going to be a couple years or so before that water gets down to below your aquifer, and depending on what kind it might not even be able to get in.

I am on a very pure well, and dont need to use RO water (no heavy metals, no phosphate, and 0.3 nitrates - tested professionally)

If you can run a line to your koi pond, why cant u run a line into an elevated tank?

 

[Kbra]

Gotta have a place to put the elevated tank.

 

[mufret]

I top off my pond

 

[dougers31]

I like to add to this. You get roughly 1 gallon of R/O water for every 5 gallons. So in essence, Anthony Calfo is wrong. You would end up wasting 80% of the that water. I know, I work as an biotech engineer we have to account for the waste water during production.

Right 4/5 is 80% so the waste water is 20% more concentrated than tap...

I suppose if you're running straight tap water thru your r/o.... I would think the pre filters and carbon block would reduce the amount of solids which IMO would make the figure less than 20 percent.

 

[Anthony Calfo]

Actually, do check your actual reject ratios. Actually easure them. Most RO units are barely running at 1:7 when new...far worse with a bit of age. It takes a fresh, high quality membrane and pressure to get better rations, my friend(s).

Most importantly, test the TDS of your reject water versus your product water. It will vary somewhat wildly for folks again pending quality of unit, membrane, pressure, etc...but I think you will be very suprirsed to see the results. if you opt to post your results here, please provide the aforementioned params (RO model, membrane age, etc)

 

[cunningham]

would this work for you?
150 GPD Water Saving Upgrade Kit - English

 

[doughboy]

If you are saving and reusing the waste water to "save" money, check your water bill for your water rate. For me it amounts to $1 saved a month. Not worth the aggravation I get from family members who cannot do their laundry because it takes so darn long to fill up the washer. As others mentioned, if you are going to spend money on pump, holding tank, etc., you may never see the day you break even.

Of course if you are reusing the waste water for philosophical reasons, that that is good and is priceless. :)

 

[steamer51]

I don't make much water since I am only supporting a 55 gallon. I make about 10 gallons at a time and the waste water goes into a large plastic garbage can used only for that. When I do my laundry a small bucket is used to fill the washer close to the proper level and then I turn on the washer to top it off. If someone else in the family is doing laundry they come get me to pour the water so it is not wasted. I do not watch the cycle and stop to fill it again for the rinse cycle since I don't have that much to use up in a week. I'm not saving any money since my water bill is charged for 1000 gallons for two months even if I use less but I hate to waste anything. I am very conservative and try to be eco-friendly.