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UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: sparklebright on January 18, 2010, 06:00:51 pm

Title: Ro pre filters what order?
Post by: sparklebright on January 18, 2010, 06:00:51 pm

My 300 gpd is only making 12 litres an hour!!! Used to make more than that.

Can anyone give me an idoits guide to what order my pre-filters should go in.
I think they are in correct but....

I have:
a 5 micron 'woolie' one.
a GAC
and a chlorplus
In that order at the mo'
I think they are right but before I go changing my set-up
Any thoughts?
Thanks

Title: Re: Ro pre filters what order?
Post by: ccmids on January 18, 2010, 06:04:59 pm

call this bloke  http://www.varitechcatalogue.com/?0475be80

Title: Re: Ro pre filters what order?
Post by: [GQC] Tim on January 18, 2010, 06:08:46 pm

Sediment filter first, then usually the Granulated Carbon Filter, then Carbon Block Filter.

But three stages are a bit useless actually, it's more marketing then anything else (ie 6 stage filtration etc etc)

What you basically only need is the sedimentatry filter, and the Carbon Block filter. That's how it comes on most 4040s. Plus side to that is higher flow rates, which is essential on a 4040. Wouldn't make too much difference on a 300GPD I can imagine.

If you have any questions on water purification and such, the place to ask them is at Gaps Water, her name is June, and is one of the most knowledgable persons out there. Most people, if not all would agree with that. Very friendly lady.

01706 521074

http://www.gapswater.co.uk/

Title: Re: Ro pre filters what order?
Post by: sparklebright on January 18, 2010, 06:21:40 pm

Thank you one and all