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jo5hm4n

  • Posts: 954
Maximum PPM to use DI?
« on: July 20, 2015, 10:22:28 pm »
So i might be moving to a new house in the next few weeks, checked the tap today and it's at like 160ppm, where i live is mostly a soft water area though, can i still use the tap straight to DI, then into 25L Barrells or will this use and waste my resin insanely fast? 

How long should say a 6.5L size DI Vessel last before the resin starts to rise from say 0 to say 5-10+?

Don't really want to use RO Unit until i get a van mount setup so will i be okay to carry on use DI from around 160ppm or is that asking too much?

Advice greatly appreciated!

Smudger

  • Posts: 13459
Re: Maximum PPM to use DI?
« Reply #1 on: July 20, 2015, 10:39:35 pm »
Not long, hopefully someone will pop up a link as gardiners used to do a calculator on resin use to tdi

I think you would be lucky to get 600 litres per fill of that size resin bottle

Darran
Never argue with an idiot, they will only bring you down to their level, and beat you with experience

Matt.

  • Posts: 1836
Re: Maximum PPM to use DI?
« Reply #2 on: July 20, 2015, 10:43:44 pm »
I had a few probs with RO and had a little bash at di only

Water from tap running slowly was at 70-73, I started off with a small 6 L di bottle and water was 000 great half hour later 033 ???

I think for di the bigger bottles are better and the smaller ones are great for after RO or as double triple or quadruple di set up  ;D

Plankton

  • Posts: 2441
Re: Maximum PPM to use DI?
« Reply #3 on: July 21, 2015, 12:47:57 am »
If I check the TDS on my hot water straight after turning the tap on its around double the PPM and the same goes for the outside tap. Letting it run for a minute and its back to norm.
Maybe worth checking after its ran for a while, if you've not already.

samson

Re: Maximum PPM to use DI?
« Reply #4 on: July 21, 2015, 04:45:20 am »
If you use a double DI setup you will make the resin last longer, think it work out at around 25-30% saving for us .

the king

  • Posts: 1461
Re: Maximum PPM to use DI?
« Reply #5 on: July 21, 2015, 06:00:32 am »
i use twin di set up with 6.8l di's wrks fine for me but my tds frm tap is 70 ish i would say any thing over 100 tds then ro would b the beta option

samson

Re: Maximum PPM to use DI?
« Reply #6 on: July 21, 2015, 08:47:36 am »
I think that even if I had high tds, would still use DI as it is so simple to operate !

dazmond

  • Posts: 24450
Re: Maximum PPM to use DI? New
« Reply #7 on: July 21, 2015, 09:00:37 am »
mine is 29 tds coming out of the tap and my missus s is 80-120 tds.its a good excuse not to move in with her!! ;D


i use a 25L DI vessel then a 2.7L vessel in tandem when double DI.

The 25L lasts about 3 to 3 and a half months before needing changing.
price higher/work harder!