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Afterglow Window Cleaners

  • Posts: 256
Which RO?
« on: March 19, 2015, 07:49:07 pm »
Hi guys,

I am currently looking to get a new RO as my current system is no longer keeping up.

Could anyone tell me which RO system reduces TDS the most before DI, my current input TDS is 370+ so I want to get that as low as possible before DI to save on resin.

Is my best bet a 4040 or PRF RO or maybe something completely different?

Cheers, Gary
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Smudger

  • Posts: 13300
Re: Which RO?
« Reply #1 on: March 19, 2015, 07:52:44 pm »
4040 but use a booster pump, change pre filter often to preserve membrane should get your water TDS to around 15 maybe single figures

Darran
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A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.

www.oddbodscleaning.co.uk

Jakey boy

  • Posts: 869
Re: Which RO?
« Reply #2 on: March 19, 2015, 08:38:34 pm »
Yeah 4040 for sure, out water is 470 on average and you'll need a 4040 to get it low enough to make resin last...
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martinw

  • Posts: 238
Re: Which RO?
« Reply #3 on: March 19, 2015, 10:15:00 pm »
4040 you will get 3-12 ppm depending on pressure waste/pure ratio. my tds is 380 -440
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Afterglow Window Cleaners

  • Posts: 256
Re: Which RO?
« Reply #4 on: March 20, 2015, 08:01:44 pm »
Thanks for all your help :)
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