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UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: PureClean Window Cleaning Ltd on December 08, 2011, 12:00:00 am

Title: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: PureClean Window Cleaning Ltd on December 08, 2011, 12:00:00 am
Im very tempted to get rid of my resin barrels, as im hearing how many use it when the tds goes into the 30's

and as mine is only 7, maybe i could get away with it.

im finally coming to the end of my 1st bag of resin which has lasted over 4yrs, and i dont fancy shelling out £70 on a bag i will hardly use.

obviously worried about spotting, might try it on my own windows, see what its like 1st.
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: Pope vader on December 08, 2011, 12:01:19 am
it should be fine
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: bonsey on December 08, 2011, 12:21:31 am
mine 010 no problem and have use higher dont know why people panic when its not 000  :o
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: jouk45 on December 08, 2011, 02:01:40 am
are you 100% sure your tds meter is correct, 7pmm,  am 20ppm  and that is in scotland, and i thought i had it good, any way no point getting rid of resin, as you said it last for years like mine  keeps your water at 000 is assurance that if something goes wrong, at least you can not blame the water,and so look at brush contamination, and so on, better to be safe than sorry, you know the old saying, preperation makes a good job, and 000 tds is that to us in wfp, where are you based,
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: Llaaww on December 08, 2011, 02:23:02 am


If you advertise pure water window cleaning, then the water should be pure.
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: jouk45 on December 08, 2011, 02:27:30 am


If you advertise pure water window cleaning, then the water should be pure.
exactly  ::)
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: pure tech on December 08, 2011, 03:04:55 am
Just buy a smaller quantity of resin.
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: Ian Rochester on December 08, 2011, 05:43:32 am
I can't believe you are even asking the question, if any of our vehicles reach 005 we change the resin, I want 000 at all times then I am sure we will not be hitting any problems.

If you leave it and start getting complaints then the minimum you will have to do is reclean all the windows, however you will also need to regain peoples confidence in the whole aspect of WFPing windows.

What's £70 over 4 years for piece of mind?
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: Halfadaylee on December 08, 2011, 06:43:45 am
Im very tempted to get rid of my resin barrels, as im hearing how many use it when the tds goes into the 30's

and as mine is only 7, maybe i could get away with it.

im finally coming to the end of my 1st bag of resin which has lasted over 4yrs, and i dont fancy shelling out £70 on a bag i will hardly use.

obviously worried about spotting, might try it on my own windows, see what its like 1st.

Scrooge is alive and well.
 £70. four years ago, lets hope your van don't need diesel
Pay the money
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: Frankybadboy on December 08, 2011, 07:03:31 am
you make me laugh ;D ;D ;D ;D ;D
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: daniel worgan on December 08, 2011, 08:04:29 am
 ;D.....so your resin has cost you approx 36 PENCE PER WEEK and you want to take a chance by letting the tds go higher....... ;D ;D ;D
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: Poles R Us on December 08, 2011, 08:38:33 am


                                     Scrooge
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: PureClean Window Cleaning Ltd on December 08, 2011, 10:50:46 am
yes i am tight i have to say, but i dont like wasting money if theres no need for it.

im based in swansea
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: Ronnie Bryce on December 08, 2011, 11:03:01 am
7 out the tap? or after RO? 7 out the tap would be very unlikely.
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: wfp master on December 08, 2011, 11:07:27 am
lmao @ 36p a week.  a bag of resin lasts 4 years & hes not wanting to buy anymore. do you squeek when you walk. :o
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: AS Window Cleaning on December 08, 2011, 12:18:09 pm
no problem. but worth having it as backup. your tds is bound to rise in time, handy to have it anyway. but its not something I would stress about. while tds is low you won't get thru much resin.
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: LWC on December 08, 2011, 03:02:57 pm
Personally i cant see the problem if its at 007 without resin, mine is higher than that at mo WITH resin. Ill go to about 015...020 at a push  ;D
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: Frankybadboy on December 08, 2011, 03:26:57 pm
yes i am tight i have to say, but i dont like wasting money if theres no need for it.

im based in swansea
well that says it all^^^^^^^^^^^^^^^^^
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: PureClean Window Cleaning Ltd on December 08, 2011, 03:44:43 pm
i should make my resin last another 6 months, so should have some spare cash to buy some more then.
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: dave f on December 10, 2011, 07:40:25 am
i think you should change your name to, not so pure clean ;D ;D ;D
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: Inside Out on December 10, 2011, 09:11:50 am
Isn't the DI process what repels dirt for while, meaning cleaner Windows for longer, meaning custies are happier, and tell all their friends and family to use you cos trad just doesn't give results anywhere near as brilliant!!? :P
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: StockClean on December 10, 2011, 09:38:07 am
Erm i dont let my tds levels go higher than 000

i have taken many jobs off of other window cleaners who dont keep on top of their resin changes.

Many customer who had been used to window cleaners not using pure water to wash their windows had lost faith in wfp method due to spots.

I have to say i never have problems with spots and all my customers always seem happy with the results.
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: PureClean Window Cleaning Ltd on December 10, 2011, 09:40:32 pm
Heres a quote from www.clearviewplus.com which i thought was interesting

While this rain water is no longer pure, it does have a relatively low mineral content. In the UK with our usual south westerly winds, the total dissolved solids reading of this water is around 14 TDS, with the limit for spot free drying being 9 TDS or lower. (Some tap supplies will reach 500+ TDS)

When cleaning windows with pure water, pure water is left to dry naturally on the glazing, when the rain comes into contact with this water, it serves to dilute the rain water. If an equal amount of rain water falls on the freshly washed glazing, the TDS reading of that water will then read 7 TDS within the range of spot free cleaning.

im going to stay with resin though, just for peace of mind,
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: Inside Out on December 10, 2011, 11:15:46 pm
But if you get twice as much rain your screwed anyway right? So why bother  ???
This must be what customers mean when they say"not today please cos we are due some dirty rain" I hate that!
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: richard jagger on December 11, 2011, 12:42:58 am
Dirty rain: is rain carrying dust from the Sahara desert carried very high out in the Atlantic and turned around by low pressure belt and depositing the sand in the U K as sandy rain and can be seen on a cars as muddy rain drips.
A  D I unit also alters the polarity of your pure water so will remove negative and positive charged dirtwhich other water will not.
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: dazmond on December 11, 2011, 07:54:20 am
000 for me every time if possible.if your a professional wfp window cleaner then its the most basic thing you get right!

why take the risk?keep it at 000.remember if your tds is higher than 000 then you run the risk of more spotting! ;D ;D ;D ;D ;D

and none of us want that!! ;D ;D ;D ;D ;D
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: richard jagger on December 11, 2011, 10:00:46 pm
All TDs  are not the same if eg. you have a TdS of ten and all the parts were derived from the same chemical I could understand these arguments but unfortunately there are no.If all the 10 parts of the tds is chlorine.You will see nothing on the glass. If all the tens parts are derived from lime you could wipe them off and if all ten were iron bases and heavy metals you would battle to remove them .AS I have said before every thing in chemistry and TDS are not always equal. Same tds parts are de-solved some are in an emulsion and some is solution some are gasses. Its not that simple guys. 
That is the reason some guys can clean with 15 and even twenty and get away with it and some guys have spotting at 7/8.
Title: Re: SHOULD I BOTHER WITH DI IF MY TDS IS ONLY 7?
Post by: Jeff Brimble on December 12, 2011, 07:42:36 pm
Dirty rain: is rain carrying dust from the Sahara desert carried very high out in the Atlantic and turned around by low pressure belt and depositing the sand in the U K as sandy rain and can be seen on a cars as muddy rain drips.
A  D I unit also alters the polarity of your pure water so will remove negative and positive charged dirtwhich other water will not.
Could you expand on the bit about the change of polarity please ?