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Post Info TOPIC: Rain water for window cleaning

Approved Exterior Cleaner

Status: Offline
Posts: 5157
Rain water for window cleaning

They say you can use rain water to clean windows.  Has anybody tried it? I was thinking if you ran the rain water threw a fish pond type filter into a clean tote tank. Would this Work?


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Approved Window Cleaner

Status: Offline
Posts: 449

You can use rain water in some cases and most guys using it have some small filter before the tank to catch sediment from the roof. The best way to do it is to run the rain water thru a DI tank after you catch it. A small pump will easily transfer it from the catch tank to your holding tank while running it thru the DI. You'll only be removing a small amount of PPM and you can get thousands of gallons out of a small amount of DI resin.
The reason I advocate using DI as the final polish is that it will impart the opposite electrical charge to the water that exist in the dirt you are trying to remove making it more effective that just rain water with low TDS. If you are just using it for saft washing though you could just use the rain water straight out of the container.


Tony Evans





Veteran Member

Status: Offline
Posts: 70

A local colleague has access to a pipe that issues water from a hillside with a tds of 5-15. He can go for a super long time without a resin regen or replacement.


             Dan Wagner 

            Honesdale, PA



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