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450 GPD Reverse Osmosis System.


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We flush weekly for about 30 minutes, just don't put first 20 litres through DI as the TDS will be very high. Search site for TDS creep

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19 minutes ago, ppads52 said:

hi chaps, do i flush this system for the recommended 15 mins every time before use?

 

 

Our water isn't too bad and doesn't contain much calcium unless you live in Hartlepool or vicinity.

I used to flush my 450gpd r/o once a week for 5 minutes if I remembered. The membranes lasted 6 years. I can't remember when I last flushed my 4040. The membrane is going on 9 years old (fitted July 2012) with a rejection rate of 97%.

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I flush mine for 10 minutes first thing in the morning and 5 minutes last thing at night, my membranes last approx 2-3 years.

(high TDS area)

Edited by Daftoldgit
added extra sentence
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On 26/04/2021 at 18:41, ppads52 said:

hi chaps, do i flush this system for the recommended 15 mins every time before use?

 

 

just like to thank you all for the positive help, really appreciate it

 

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