Window Cleaning Issues - Canvassing, pole systems, pricing, problems, etc.
Make your own Pure Water SystemPosted by Central (Central), 8 February 2004
Does anyone know how to make your own Pure Water System.
I want one that I can create the Pure Water at home and then transfer it through containers on a trolley and then have a pole connected. I know you can buy these systems commercially but it will probably be a lot cheeaper to make your own.Posted by Silly_Philly (Silly Philly), 8 February 2004
Quote:create the Pure Water at home
This depends on the hardness of the water in your area.
If you live in a soft water area, you should be able to get away with just de-ionizing resin. This costs around £60 - £80 for a 25litre bag.
You'll need to buy or build a vessel to house it to allow the water to flow through it while not leaving any of it dry. It is probably easier to buy a vessel (see gapswater link below).
If you live in a hardwater area you will need a reverse osmosis unit as well. These are not cheap, and are notoriously slow compared to DI only systems. So its not uncommon for more than 1 RO unit to be connected in parallel so as to increase the output rate.
The RO membrane is quite delicate and requires sediment and carbon pre-filters. Most RO units come with these, as well as a DI 'polishing' vessel to bring the TDS down to 0ppm.
It is not really possible to "make" an RO unit as these are manufactured to house a particular brand of membrane, usually the DOW FILMTEC or HYDRONAUTICS range.
Peter stocks a good range, and could probably tailor a system to your needs
His website is www.window-tools.com
another supplier is www.gapswater.co.uk
Tropical aquatics use RO filter systems, so you could look on ebay or classifieds for a second hand one, though they are usually of limited output (around 50 gallons per day. You will need about 200gpd)
SillyPosted by Diamond_Vision (Jeff Brimble), 8 February 2004
Hi, in reply to phil - its an excellent reply but sorry, you do not need 200 gals/day controversially I use Max 50 gals per day,
for years I have got by on the slow RO system which I also use for drinking water ( because I also drink the pure water but you need to compensate for minerals in your diet !)
Central. There is no magic in this, look in the yellow pages for a local water treatment company tell them you want to clean windows with the water and you need 000tds ( this is how they used to clean the insides of double glazin) and go for the cheapest sytem without all the bells and whistles that suits your area.Posted by Silly_Philly (Silly Philly), 8 February 2004
No apology needed, You know best!
Central - listen to this man!
SillyPosted by Central (Central), 9 February 2004
Cheers for that, Ill conatct a water trewatment company tomorrow
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