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Perfect Windows

  • Posts: 4178

Spruce

  • Posts: 8452
Re: Can you use multiple 4040 filters in an ro system ?
« Reply #21 on: January 16, 2019, 07:23:21 am »
20 or 22 inch, I think.

Vin

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.
Success is 1% inspiration, 98% perspiration and 2% attention to detail!

The older I get, the better I was ;)

Spruce

  • Posts: 8452
Re: Can you use multiple 4040 filters in an ro system ?
« Reply #22 on: January 16, 2019, 07:26:38 am »
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

What membrane did they sell you Darran? They are much cheaper than the Axeon USA brand. Are they  Chinese manufactured ones?
Success is 1% inspiration, 98% perspiration and 2% attention to detail!

The older I get, the better I was ;)

Smudger

  • Posts: 13433
Re: Can you use multiple 4040 filters in an ro system ?
« Reply #23 on: January 16, 2019, 09:01:59 am »
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
Never argue with an idiot, they will only bring you down to their level, and beat you with experience