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UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: barry80 on July 19, 2009, 12:20:03 pm

Title: best cheapest way to make pure water for backpack
Post by: barry80 on July 19, 2009, 12:20:03 pm

Hi guys, can you help please, I have  just got a backpack but dont know how to make pure water for it, as I dont have a van system. I need a back pack for hard to reach windows , conservatary windows etc. I live in lincolnshire {hard water area} do I  need a d|i and r|o or would just d|i  vessel do the job? I know I will get via lots of resin with a d|i vessel , doing it   with just  a d|i  vessel .  but what other  and  cheapest way be to do this?  and is there  any other ways I can make pure water.....what do you think guys?  thanks. BARRY :)

Title: Re: best cheapest way to make pure water for backpack
Post by: Sapphire Window Cleaning on July 19, 2009, 12:35:33 pm

RO for sure, if you went for a DI system it would cost you a lot in DI resin.

Title: Re: best cheapest way to make pure water for backpack
Post by: wfp master on July 19, 2009, 12:57:18 pm

hard water ]= r o & d i.................................

Title: Re: best cheapest way to make pure water for backpack
Post by: geefree on July 19, 2009, 01:12:33 pm

When i first started with a backpack, a kind local window cleaner supplied me with 25l containers full of pure water for a very cheap price to get me going,

Ask around locally, i am sure someone will help you, until you get the ro system set up.

Title: Re: best cheapest way to make pure water for backpack
Post by: leapstallbuildings on July 19, 2009, 02:36:37 pm

I'm not so sure about this really.  I read your post that you only want to use the pure water method for the odd few windows (presumably doing the safer windows from a ladder?).  If so, DI would be perfectly acceptable rather than messing around buying and setting up an RO unit.  However, if you feel that you would want to increase your pure water usage, it would be better to get an RO once you are ready to make that happen.
Be warned that once you start seeing the benefits of WFP, you probably will want to use it on all window - or at the very least, all the upper ones.

Title: Re: best cheapest way to make pure water for backpack
Post by: barry80 on July 19, 2009, 04:58:25 pm

thanks for the replies, I am going to get a d/I first then take it from there....thanks once again.    barry

Title: Re: best cheapest way to make pure water for backpack
Post by: barry80 on July 21, 2009, 02:13:32 pm

Rang a guy up who supplies di vessels he says that all I need is two di vessels joined up one to clean water the other to polish of will do fine straight from tap into backpack. price is £80 ...... filled with resin they are two 10lt vessels joined.. he states if I let the tap just run slow it will not get through resin fast barry

Title: Re: best cheapest way to make pure water for backpack
Post by: tacky on July 21, 2009, 10:06:18 pm

what is ur tds barry .guys correct me if im wrong .but what u do barry is put tap water through first di unit .it comes out 00 after a while it will rise some of us use it above 00 up to 05. when it is this tds. connect second di after first one .dont forget on black screw on lid their is written in and out .tap water in 00 out .i did not see this at first .my mistake .dont forget u want a tds meter .to check water  tacky in wales south

Title: Re: best cheapest way to make pure water for backpack
Post by: Dean Taberner on July 21, 2009, 10:08:38 pm

Rainwater is by far the cheapest :P :P :P :P

Title: Re: best cheapest way to make pure water for backpack
Post by: matt on July 21, 2009, 10:40:03 pm

just buy a 50 GPD RO unit, about 70 quid

Title: Re: best cheapest way to make pure water for backpack
Post by: karygate on July 22, 2009, 07:19:20 am

my 300 gpd was off ebay for 110 quid delivered and it still works fine.

Title: Re: best cheapest way to make pure water for backpack
Post by: Ian_Giles on July 22, 2009, 08:01:18 am

Quote from: barry80 on July 21, 2009, 02:13:32 pm

Rang a guy up who supplies di vessels he says that all I need is two di vessels joined up one to clean water the other to polish of will do fine straight from tap into backpack. price is £80 ...... filled with resin they are two 10lt vessels joined.. he states if I let the tap just run slow it will not get through resin fast barry

Nonsense! Don't believe him! Whether the the tap water goes through at 1 litre a minute or 500 litres a minute it won't make the resin last any longer...it'll just seem that way as it will take longer to fill up the backpack is all.

Get yourself a cheap R/O setup and a water butt, you are talking about no more than £150 or so....

Ian

Title: Re: best cheapest way to make pure water for backpack
Post by: tacky on July 22, 2009, 10:17:48 pm

sorry barry i missread the bit about water going into backpack .like ian said put it into water butt first . buy them in wilkinsons ,£17. 210 ltrs

Title: Re: best cheapest way to make pure water for backpack
Post by: brett walker on July 22, 2009, 11:40:30 pm

50 gpd ro will do you.

brett

Title: Re: best cheapest way to make pure water for backpack
Post by: barry80 on July 24, 2009, 12:53:27 pm

ok ,I will get a 50 gpd ro unit aswell :)thanks guys top stuff....barry