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D G Windows

  • Posts: 30
Working without an RO UNIT
« on: March 17, 2005, 10:01:37 pm »
If im gonna go into the WFP Market, how long can i go without using an ro?
Im thinking of getting the Omnipole and i hear that just using tap water and letting the DI do the work is fine for the job. Anyone else done this and how long will it last?

AuRavelling79

  • Posts: 25385
Re: Working without an RO UNIT
« Reply #1 on: March 17, 2005, 10:18:37 pm »
Depends on several things really:-

What is the TDS reading of your tap water - the higher it is the more resin you'll get thru'

How much water will you get thru'

IMO - unless you live in an area where the water is really soft and low tds go for an R/o sooner rather than later. In the meantime cost it into your work so that the customer pays for it.
It's a game of three halves!

garry

  • Posts: 208
Re: Working without an RO UNIT
« Reply #2 on: March 17, 2005, 10:18:56 pm »
If you live in a hard water area you will need ro unit straight away otherwise it will cost you a fortune in resin.
try www.ro-man.co.uk they do some good deals on ro

AuRavelling79

  • Posts: 25385
Re: Working without an RO UNIT
« Reply #3 on: March 17, 2005, 10:35:20 pm »
My Tap water reads 780ppm!

After my R/O it's 7ppm after about a minute and after the resin it's 001.

(Tho' after it's stood for a day it can read 000!)

Mine came with my trolley from aquatec and at 80 psi tap pressure produces about 20 litres per hour of pure water.
It's a game of three halves!

D G Windows

  • Posts: 30
Re: Working without an RO UNIT
« Reply #4 on: March 17, 2005, 10:42:17 pm »
How will i do the reading?
I will work on houses all day with it, but wouldnt it do for the meantime?

How much resin will i go through working 30 houses a day with a pole?

How many months will it last?

Could i get a small ro unit that would fit under the sink and do the job?

These details would be great cos thinking of buying omnipole tomozo
thanks guys

Re: Working without an RO UNIT
« Reply #5 on: March 18, 2005, 03:25:40 pm »
Similar question to D G Windows. My TDS is 110ppm. How quickly would I burn resin in a DI only system (preferably in kg/L)?

Thanks, Gordon

Roy Harding

  • Posts: 1973
Re: Working without an RO UNIT
« Reply #6 on: March 18, 2005, 05:52:12 pm »
Anything over 100tds is clased as hard water, I cant say how long your resin will last. But it will be false econamy as by the time you have purchased 3 bags of resin you would have spent as much as a small R/O. And then a bag of resin will last 18 months.

I do know my tds from the tap is 0.125 and 1kg of resin would be shot in a night producing a 500ltrs. So I guess a 25kg back 25days.

Re: Working without an RO UNIT
« Reply #7 on: March 18, 2005, 06:12:11 pm »
30 houses a day? are they all in a line cos ive been using dual reels two men and i cant do 30 in a day?700 ltr tank onl last 15-19 houses

replacement

Re: Working without an RO UNIT
« Reply #8 on: March 18, 2005, 06:23:10 pm »
The way to work out how long a 25 litre bag of resin will last is below.

500,000 Divide by your TDS reading.

So for Gordon Watson that would be 500,000/110=4545 Litres of water before he needs to buy a new 25 litre bag of resin.

But for MalcG whom has 780 Tds reading it would be 500,000/780=641 Litres of water before he needs to buy another 25 litre bag and would cost him a arm and a leg in resin.

On avg you may use 18 Litres per house.

End of the day its cost efficent to use RO unit, and then to use a DI unit to polish as over a yeari worked out it would save me £400.

Hope that helps

Justin

www.mrgutters.co.uk

  • Posts: 871
Re: Working without an RO UNIT
« Reply #9 on: March 18, 2005, 07:59:57 pm »
how do you know wether you live in a hardwater area ilive in sunbury on thames middlesex ???
If a job's worth doing, it's worth doing well.

Re: Working without an RO UNIT
« Reply #10 on: March 21, 2005, 03:13:46 pm »
Thanks, Roy and Justin.

thewindowcleaner1

  • Posts: 779
Re: Working without an RO UNIT
« Reply #11 on: March 21, 2005, 08:43:21 pm »
My tds reading is 250-290 ppm, I use a small Ro unit (produces 220 ltres a day) and I use slightly more than that (build reseve up over the weekend) and to date I have used one and half bags of resin and replaced carbon cartridges every 6 months in a period just over 3 years as said by Roy a small investment now will save a fortune later,I was recently talking to another window cleaner a couple of days ago and he claimes that he uses about 3 bags every 5 to 6 weeks at £105 a bag inclusive,I,m in the prosess of buying a new RO producing up to 2,500 Ltrs a day for less that those three bags of resin.
The secret is not doing as you like but liking what you do
www.thewindowcleaner.biz

Glen

  • Posts: 243
Re: Working without an RO UNIT
« Reply #12 on: March 21, 2005, 10:25:52 pm »
Quote
My tds reading is 250-290 ppm, I use a small Ro unit (produces 220 ltres a day) and I use slightly more than that

Would this not just give you 250-290 minutes of cleaning (4-5 hours) though? Is the RO system at home? Do you just carry  a tank, pump and pole with you?

thewindowcleaner1

  • Posts: 779
Re: Working without an RO UNIT
« Reply #13 on: March 22, 2005, 08:34:22 pm »
Quote
Would this not just give you 250-290 minutes of cleaning (4-5 hours) though? Is the RO system at home? Do you just carry  a tank, pump and pole with you?

Yes RO at Home, Pump water into tank and off I go, tend to use WFP for top, difficult and leaded windows still use blade on ground floor saves water and with practice nearly as fast. You nearly got the time period right I always start out in the morning intending to do a 8 Hour day but normally end up doing 6 to 7 hr day (WFP lots faster can do 8hr day in 5 to 6 hrs) Hence my RO runs 24/7 to keep up with needs, New one now on way (produces between 1,500 and 2,500 Ltrs per day (water to spare))
When I started using the system i worked from the back of my estate this worked well for a couple of years (the car decided it had had enough) so I moved to a medium van, best thing to happen (appart from starting to use WFP) now the business just keeps growing every day
The secret is not doing as you like but liking what you do
www.thewindowcleaner.biz

Glen

  • Posts: 243
Re: Working without an RO UNIT
« Reply #14 on: March 22, 2005, 11:05:12 pm »
Why was the van a good move? I have been thinking about getting one also - What sort did you get? I have looked at the Peugeot Partner as it has three seats and is as car-like-a-van as you can get, I think.

Glen

thewindowcleaner1

  • Posts: 779
Re: Working without an RO UNIT
« Reply #15 on: March 23, 2005, 05:47:47 am »
Hi Glen, the van was a good move for several reasons,
At first I was looking at a Balingo style van but in the end went for a Fiat Scudo (similar to Peugeot Partner )mainly because it has side doors, A great time saver.
Three seats are usefull and it drives great even when loaded) getting in and out is a breeze (Especially if you're over 6ft)
I can now carry more water this saves having to return home or finnishing  for the day
I can carry all my equipment with ease, plus spares(and I can get to them )
Had it signed (looks really Professional) this alone has picked up work,
But the main thing that it's done for myself is that along with WFP I've taken even more stress out of my working day,
Because I look more professional, I feel and act the same which in turn gives me the confidence to approach those lucrative commercial contracts, also because I present myself in a more professional manner my pricing for work is far more lucrative.
One of my sale's pitches to the customer goes along the lines of "You don't let strangers into your house without ID so why would you allow a stranger to wander around your property when your not in?)I then present them with bussines card

Alan
The secret is not doing as you like but liking what you do
www.thewindowcleaner.biz

Glen

  • Posts: 243
Re: Working without an RO UNIT
« Reply #16 on: March 23, 2005, 02:55:29 pm »
This is sound business sense, Alan, and very much along the lines I was thinking. Do you mind me asking the year and approximate cost of the van? Also, is it long enough for your poles to go on a rack?

Glen

  • Posts: 243
Re: Working without an RO UNIT
« Reply #17 on: March 23, 2005, 03:00:49 pm »
Alan, also what's the maximum size of tank you hope to accomodate? Do you carry any carpet cleaning equipment etc?