Re: RO membranes

["Kelly Higgins" <kelly_higgins@cox.net>]

I am not a filter expert either but I dont think that the carbon filters in
R/O units use actually have any black activated carbon granules in them.
KellyHiggins
----- Original Message -----
From: "Tim Ellis" <timellis@ev1.net>
To: <apisto@listbox.com>
Sent: Thursday, February 06, 2003 9:58 AM
Subject: RE: RO membranes


>
> <I noticed some black particules on the tank of the membrane (like carbon
I
> <would guess)
> <Could it be coming from the carbon prefilter ?
> <To be sure, I exchanged the pre-filters order, so now I have: carbon,
> <sediment, membrane.
>
>
>
> I am by no means an expert on filtration but, I would venture to say that
> you will prematurely clog your carbon block by running it before the
> sediment filter. My suggestion would be adding another sediment after the
> carbon block to catch any carbon particles that may be dislodging.
Although
> it is possible the black stuff your seeing in the membrane housing is the
> result of anerobic bacteria. How long does your RO unit sit idle between
> uses?
>
> Tim
>
>
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