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UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: KS Cleaning on March 14, 2015, 02:32:45 pm

Title: Membrane
Post by: KS Cleaning on March 14, 2015, 02:32:45 pm: I have tap water tds of 78, after RO it is coming out at 9, is my membrane working effectively?
Title: Re: Membrane
Post by: Smudger on March 14, 2015, 02:45:04 pm: No

Darran
Title: Re: Membrane
Post by: Don Kee on March 14, 2015, 03:10:46 pm: Quote from: Smudger on March 14, 2015, 02:45:04 pm
No

Darran

Simple question, simple answer ;D

Its true though, you should be getting at least half that...
Title: Re: Membrane
Post by: Smudger on March 14, 2015, 03:27:02 pm: Why waste words ;D

Darran
Title: Re: Membrane
Post by: matthewprice on March 14, 2015, 04:48:50 pm: My tap water 125 after to 2 think you might have a problem
Title: Re: Membrane
Post by: SeanK on March 14, 2015, 05:30:40 pm: My 4040 membrane was taking the TDS down from 220ppm to 1ppm when new its just over six years old now
and still gets it down to about 15ppm.
I would say you don't have enough water pressure.
Title: Re: Membrane
Post by: KS Cleaning on March 14, 2015, 08:02:40 pm: Quote from: SeanK on March 14, 2015, 05:30:40 pm
My 4040 membrane was taking the TDS down from 220ppm to 1ppm when new its just over six years old now
and still gets it down to about 15ppm.
I would say you don't have enough water pressure.
That was just with tap pressure, didn't bother putting on the booster pump, but I think it is time to renew it anyway, had it 4 years.
Title: Re: Membrane
Post by: KS Cleaning on March 14, 2015, 08:04:46 pm: Thanks for the replies, even tho it's not what I wanted to hear :'(
Title: Re: Membrane
Post by: Clever Forum Name on March 14, 2015, 08:08:12 pm: Quote from: KS Cleaning on March 14, 2015, 02:32:45 pm
I have tap water tds of 78, after RO it is coming out at 9, is my membrane working effectively?

Should be around 0-3 PPM
Title: Re: Membrane
Post by: Oliver @ GrippaTank on March 16, 2015, 07:30:41 am: Quote from: KS Cleaning on March 14, 2015, 02:32:45 pm
I have tap water tds of 78, after RO it is coming out at 9, is my membrane working effectively?

How long does it take to fill a litre jug of permeate water?

What is your waste ratio?

What is the pressure going through the membrane?
Title: Re: Membrane
Post by: Jonny 87 on March 16, 2015, 07:45:38 am: My ro takes 85 down to 000.

Doug at daqua.

Awesome ro systems.