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adixon

formula
« on: October 31, 2006, 04:46:26 pm »
What is the formula you use to decide how many litres you will get from your resin :-\
Im only asking as im hoping to change to water fed pole and dont have anywhere for RO at the moment and wanted to know how many litres i would be looking at with DI,TDS i've been told around 57 in Blackpool
many thanks andy
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Extremeclean

  • Posts: 173
Re: formula
« Reply #1 on: October 31, 2006, 04:54:44 pm »
The formula is   500000 divided by TDS in per 25 ltr bag.

So you should get approx 9000 ltr pure per bag.

Around £9.00 per 1000 ltrs at approx £80 a 25ltr bag.

If you buy Ro'd water its usually about £15 ish per 1000 ltrs so thats not too bad for you.

Rich
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macmac

Re: formula
« Reply #2 on: October 31, 2006, 07:02:27 pm »
depends what your tap water TDS is
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macmac

Re: formula
« Reply #3 on: October 31, 2006, 07:03:51 pm »
SORRY

ignor my last post, - read your message wrong!!
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JohnL

  • Posts: 723
Re: formula
« Reply #4 on: October 31, 2006, 07:43:03 pm »
My tap TDS was an average of 45 - until it rained! once it rains your TDS can go up by at least a hundred so keep an eye on it

JohnL
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West Somerset. On the edge of the Quantocks and looking at The Exmoor National Park.
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