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mike henderson

  • Posts: 39
ro system running costs
« on: September 13, 2005, 02:33:28 pm »
Hi,  i really need too get some idea of the running costs of my possible ro wfp system.  ie, cost of monthly upkeep, pro's and con's.
I live in Missouri in hard water area so im under the assumption that i need a ro filter and not just a di tank.  Where i am getting confused is, i was told that most cleaners in the states rent a di tank from Culligan.   I called the culligan office nearby and the guy i talked too told me i dident need a ro unit, that it would be over kill for what i wanted.  He was saying that a 2 di tank system that he has and that local car detailers use to power wash, would be all that is needed to produce 99.9% pure water.  The catch it seems to me is this.  To rent the 2 tanks is $300, he said they, in this area. produce roughly 3000 gallons of water between changes and that a recharg would be $300.  Now if my math serves me right.  The avg pole uses 1 1/2 gallons a min that gives me 2000 min (3000 div by1.5) divide that by 60 to get hrs usage and that comes too 33hrs per $300.  That cant be right can it?  And if not please let me know where i'm going wrong :-\  Is there anyone in this forum who run a wfp in the states and if so how does your system measure up cost wise.  I'm excited about the wfp possibilties in my area, but the running cost are crazy it seems.

    Any help appreciated MIke

Re: ro system running costs
« Reply #1 on: September 13, 2005, 03:16:31 pm »
Hi Mike,

Ignore what that person has told you, by the sounds of it, they are just looking to exploit money from you.

If you are in a hard water area, you need an RO unit. The running costs are very low, possibly $60 Dollars every six months. In addition, the RO unit will remove up to 99% of impurities. I would still recommend investing in your own DI bottle, you should be able to get one plus 25lt's of resin for about £100 dollars in the states.

BY using the RO unit, then using your DI bottle as a final polisher, your water will be 100% pure and your resin will last months.

Hope this helps

Andrew

williamx

Re: ro system running costs
« Reply #2 on: September 13, 2005, 03:42:36 pm »
Mike

I think he is trying to sell you something that you don't need, I live in a soft water area 70 tds and I get about 5000 litres (1320.86 us gallons) of pure water from a 25 litre (6.60 us gallons) sack of resin.

I would first check you water supply and find out what the tds reading is first. you might not be in a hard water area.

mike henderson

  • Posts: 39
Re: ro system running costs
« Reply #3 on: September 13, 2005, 04:36:56 pm »
Thanks for your quick replies-- I had a feeling the culligan guy was steering me the wrong way!!!

So on average how much would you say it cost per month to run your waterfed sytem with the r/o and d/i--

I am trying to determine a rough price to run per month and then compare that with how much extra income I can make so I can feel really confident that I am making the right choice to invest in the waterfed sytstem.If you can give me some insight  as to expense verses extra income generated.I am looking into this partly to help with the wear and tear on my old body parts-- but I also want to increase my income significantly!! I would appreciate hearing more.....
thanks
mike

Paul Coleman

Re: ro system running costs
« Reply #4 on: September 13, 2005, 05:10:48 pm »
Hi,  i really need too get some idea of the running costs of my possible ro wfp system.  ie, cost of monthly upkeep, pro's and con's.
I live in Missouri in hard water area so im under the assumption that i need a ro filter and not just a di tank.  Where i am getting confused is, i was told that most cleaners in the states rent a di tank from Culligan.   I called the culligan office nearby and the guy i talked too told me i dident need a ro unit, that it would be over kill for what i wanted.  He was saying that a 2 di tank system that he has and that local car detailers use to power wash, would be all that is needed to produce 99.9% pure water.  The catch it seems to me is this.  To rent the 2 tanks is $300, he said they, in this area. produce roughly 3000 gallons of water between changes and that a recharg would be $300.  Now if my math serves me right.  The avg pole uses 1 1/2 gallons a min that gives me 2000 min (3000 div by1.5) divide that by 60 to get hrs usage and that comes too 33hrs per $300.  That cant be right can it?  And if not please let me know where i'm going wrong :-\  Is there anyone in this forum who run a wfp in the states and if so how does your system measure up cost wise.  I'm excited about the wfp possibilties in my area, but the running cost are crazy it seems.

    Any help appreciated MIke


I don't use WFP yet but from what I've read on here, using DI only in a hard water area would cost you a small fortune in resin.  I don't suppose that this guy who rents the DI equipment also happens to supply the resin does he?

Paul

mike henderson

  • Posts: 39
Re: ro system running costs
« Reply #5 on: September 13, 2005, 06:02:19 pm »
yeah what a coincidence this guy does provide the resin--I hate it when people try to rip you off!!!

So am I getting this right-- running an RO systm is roughly $60 every 6 months  and then you have your DI bottle which you can buy witha 25 lb bag of resin for roughly a $100 and this should also roughly last several months----at which time I just replace the resin which is fairly cheap????

* edited to say*I was just looking through some other posts and it seems most people on average go through 400 ltrs of water a day  and a bag of resin should last through 5000 ltrs if my math is right isn't that about 12 days work on one bag of resin??? HELP

thanks
mike


matt

Re: ro system running costs
« Reply #6 on: September 13, 2005, 07:21:39 pm »
yeah what a coincidence this guy does provide the resin--I hate it when people try to rip you off!!!

HE IS TRYING TO RIP YOU OFF, no mistake about that

So am I getting this right-- running an RO systm is roughly $60 every 6 months  and then you have your DI bottle which you can buy witha 25 lb bag of resin for roughly a $100 and this should also roughly last several months----at which time I just replace the resin which is fairly cheap????


if you use a RO (mine cost about $120 to buy, i havent changed anything on it for 18 months, but you can get a set of replacement filters etc for $120 for THREE YEARS

i brought a SMALL bag of DI resin for about $15 and its lasted me 6 months, as the RO does all the work

* edited to say*I was just looking through some other posts and it seems most people on average go through 400 ltrs of water a day  and a bag of resin should last through 5000 ltrs if my math is right isn't that about 12 days work on one bag of resin??? HELP

thanks
mike

it is possible to use less water, but even if you use 300 L's a day GET A RO unit and it'll save you a fortune


build your own system

http://www.d.co.uk/

gaza

  • Posts: 1642
Re: ro system running costs
« Reply #7 on: September 13, 2005, 07:59:16 pm »
mike from this side of the pond [ENGLAND] I bought a Tucker Pole system [made in the USA]and was sold a double vessel di unit by the supplier.Living in a hard  water  area tds reading of 365 divide that into 500,000 = how many litres Iwill roughly get out of a 25lb bag of resin. so if you know your tds reading thats the way to work it out.
Tucker Pole arrived at the place I  had chosen for a demo ,using a ro system,when I went to have it fitted they fitted it with a di system.
shortly after using it my reading went to015 and it seemed very expensive to run. BEING A PIONEER IN THE WFP WORLD we didnt have the advice available like there is about now.READING about ro systems Iwould def have a ro system with one vessel to filter it to 000 as  you will be cleaning with water thats not pure enough to work with if you used an ro only if you live in a hard water area
MEmyself and i have decided to aquire an ro as soon as possible
try RO-MAN website for more information on ros

gaza
IM AT THAT AGE MY BACK GOES OUT MORE THAN I DO

Re: ro system running costs
« Reply #8 on: September 13, 2005, 08:10:04 pm »
Hi Mike - on the ro plus side, if your weather is better than ours you will produce water more quickly than we can in UK because the production figures we get with our systems seem to be based on sunny California climes - As my reckoning goes, I get about half what the system can do - good enough for me though :D

leegooner

  • Posts: 26
Re: ro system running costs
« Reply #9 on: September 16, 2005, 05:49:16 pm »
hi mick just reading your post i have a merlin ro system
bought from www.airwaterice.com in u.s they were half the price of uk system 6 months ago' they are based
in florida i think, very easy to deal with, a ro system is the best way to go main  ro filter can last up to 2 years the merlin
is the fastest fill up on the market. LEE

AuRavelling79

  • Posts: 25392
Re: ro system running costs
« Reply #10 on: September 16, 2005, 06:03:09 pm »
  He was saying that a 2 di tank system that he has and that local car detailers use to power wash, would be all that is needed to produce 99.9% pure water.   

If that is an accurate 99.9% then that = 1 part per 1000 impurity. To wfp effectively you need less than 10 parts per million, i.e. 99.999% and preferably less than 1 part per million. R/o is the way to go.
It's a game of three halves!