Clean It Up
UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: Andy1982 on February 24, 2010, 05:13:34 pm
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whats the best to get for a van setup? the ro or di van system?
Andy
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IT not Di or RO. ITs (1) Di, or (2) DI and RO and that depends on water TBS.
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My water is around 180 tds before purifying....
so Ro is fine for me ,brings it straight down to 00 ... never used resin.
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A ro will bring that straight down to 00 ,..i have a 10" resin container which would attach on... but never , ever used it.
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i think my water is about 75 tds and i use a di only, never had any problems
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The cheapest way if you have good water as you do.... is a ro,very little to spend once its bought... pure freedom 300gpd around £150...
Its up to you but resin is expensive.
my mate spends £100 per month on resin.
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fresh resin, not that offen, what i do is put the old resin in a di vessel as use thsi to fill up my tank with and this cuts down my tds of the water in the tank, can get away with using this resin till the tds gets high, but i live in cornwall and have know my water to be 35 as well, its only gone high over winter
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Are you on a water meter? That is an important consideration too.
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im going to buy a system that i fit myself so saves me a few quid. so basically i need an ro system? does having a ro system slow the flow down to the brushes?
a ro, and a system to wash windows are two seperate operations.
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In the long run it would be cheaper to get an ro then. At 80 you are probably at the limit on going DI only. The Ro will get the TDS down to 0.
The other thing to consider is that DI is on demand. When you turn the pump on out comes pure water so you fill your van up from a tap and off you go.
With an RO you need some sort of storage solution as the water is made slowly over a period of time. Most go for an IBC tank and fill up with pure water once a day. This means you cannot fill up anywhere other than at home and you need to have the space for an IBC.
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nope.... a ro system produces pure water with a pipe that you pop in the lid of the tank....and take it out when its full.... end of ro job...
the tank is then full and you need a pump to send your water out of the tank, into your reel, and up your pole...
the ro can be in the garage, in the van etc....its only used to make pure water, and you choose wether you put it into your van tank.... or a tank outside
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Andy,
i have my ro in the van... i attach it to my garden hose, one thin hose from the ro,(blue). goes into the tank , thats pure... the other thin hose (green)..is the waste.
in the morning my tank is full and off i go...650 litres.
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you can pick up a 640 ibc in a cage for around 40 or 50 quid...hose to pump...from pump to reel.... then up the pole...
its easy to set it all up yourself.
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buy one in a cage, get a mate to bolt it down
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i mean a mate who can do it professionallyl lol....mechanic, etc
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they will fit it for you too.... go and do that if you want a professionally done outfit, but it will cost a fortune
i did mine myself, for a tiny fraction... just shop around , buy a used tank, a new reel and pump,...and if you want control of your water coming out of your brush.... get a varistream too. and a ro system.
and you are away
.http://cgi.ebay.co.uk/100-PSI-SHURFLO-5L-PUMP-WATER-FED-POLE-WINDOW-CLEANING_W0QQitemZ180442765349QQcmdZViewItemQQptZUK_HomeGarden_CLV_Cleaning_CA?hash=item2a033a1825
http://cgi.ebay.co.uk/100MTR-HOSE-AND-REEL-FOR-WATER-FED-POLE-WINDOW-CLEANING_W0QQitemZ260501045543QQcmdZViewItemQQptZUK_HomeGarden_CLV_Cleaning_CA?hash=item3ca7128127
http://cgi.ebay.co.uk/VARISTREAM-PUMP-CONTROL-WATER-FED-POLE-WINDOW-CLEANING_W0QQitemZ230440744911QQcmdZViewItemQQptZUK_HomeGarden_CLV_Cleaning_CA?hash=item35a756b7cf
http://www.purefreedom.co.uk/300ro.html
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http://www.cleanitup.co.uk/smf/index.php?topic=90390.0
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i took out the ply on the floor and used anti - slip waterproof floor paint... then sealed any edges with a top shower sealant..
then i took two bungs out (rubber).... in the corners of the van.... so any leaks can escape the van.
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if you dont have space at home, why not get two di vessel this will help the resin last longer, as you only have to swap one when it reaches 10 and all you do is replace the resin with the high tds and swap the places on the di
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Daz is right, if you have probs
but you dont need any resin , if your water at 80 tds... a ro will do it every time
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http://cgi.ebay.co.uk/3-SPARE-FILTERS-WATER-FILTER-RO-REVERSE-OSMOSIS_W0QQitemZ350247968453QQcmdZViewItemQQptZUK_HGKitchen_SmallApp_RL?hash=item518c67dec5
mine last me more than six months making over 600 litres per day....
the rate at which the tank fill,s slows down when they get dirty... but they still produce 00 tds....
but that is the time to change them, really.
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Personally, I would go with twin DI's in your situation. My tap tds is 90ppm & I only use 2 bags of resin a year, at a total cost of £145 with a 500ltr van mount.
Less hassle, no waste, less problems in winter (freezing etc).
Even if you expand quickly & find yourself requiring 6/7/8oo ltrs a day, you can still use the DI's for polishing off, so they'll never go to waste anyway.
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Another thing is, if you go down the RO on-board route, once your water has run out that's your day done so you may require a bigger tank/bigger van.
With DI's you can fill up from anywhere quickly, providing your working area has a similar mains TDS.
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My water is about 80 tds so would it be wise to get an ro with di as a backup?
It would be cheaper to get an RO system.
Most of us that have RO systems usually has a TDS reading after RO of around mid teens or lower.
If you had an RO set up, your membranes would last longer than most. due to the lower tap TDS reading.
Matt
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No I just plug it in at night, but you can have a split relay from your alternator.
Matt