RODI flush left open for 4 days

[tc2007]

I have a 75GPD unit and last week I filled my RODI container and instead of closing the blue valve for the water entering the unit, I accidentally opened the black flush valve. Didn't realize my mistake until at-least 4 days if not more.

My question is what would my water bill look like this time? :wildone:
Am I in for a shock?

Did I also kill my RODI membrane in the process?

 

[MarAquatic]

It will look expensive

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[kharmaguru]

My expectation is that nothing would happen to the membrane. In fact i don't even get "flushing". The flow restrictor creates system pressure forcing more water through the membrane. Bypass the flow restrictor with flushing and you push <i>less</i> water through the membrane. The only thing I see flushing is more waste water down the drain.

 

[tc2007]

So I measured about 20 gallons per hour were going out. In all about 2000-3000 gallons between 4-6 days.

 

[ReefsandGeeks]

I did the same once, cost me about $100