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Can you use multiple 4040 filters in an ro system ?

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Perfect Windows:
20 or 22 inch, I think.

Vin

Spruce:

--- Quote from: Perfect Windows on January 15, 2019, 09:58:22 pm ---20 or 22 inch, I think.

Vin

--- End quote ---

You put the di vessel first, then the sediment filter second and then the r/o if my memory serves me. The sediment filter would then catch any carbon fines from going to the r/o membranes.

Spruce:

--- Quote from: Smudger on January 14, 2019, 04:42:40 pm ---Ok - I have now sterilised the system filled a di bottle with carbon ( got covered in black dust ) fitted new filters and vy air low pressure 4040 membrane 👍

After 10 minute flush then started production water in is 320 water out 003 😁

Now to see how long it lasts

Darran

--- End quote ---

What membrane did they sell you Darran? They are much cheaper than the Axeon USA brand. Are they  Chinese manufactured ones?

Smudger:
that's how I set it up - carbon then sediment filter then RO

this is the one I went for
https://www.ebay.co.uk/itm/1-x-VYAIR-XLE-4040-Ultra-Low-Pressure-2-600-GPD-Fish-Aquarium-RO-Membrane/273369882839?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

I had one of there membranes a few years ago and it performed very well, so I'm hopeful this will be the same

Darran

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