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Cleaning RO membranes?

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Subject Author Date
Cleaning RO membranes? George 10-05-2005
Posted by George on October 5, 2005, 3:01 am
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Just trying to get some advice. Planning on doing some maintenance on my
unit, which has never been backflushed in the three years I've had it. and
since this unit doesn't have a backflush kit available, I was wondering if
it is possible to pull the membrane out of its housing and clean it, say
with acetic acid, and/or peroxide. Any suggestions?



Posted by Marc Levenson on October 5, 2005, 3:17 am
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You can pull out the membrane, using pliers. The housing can be washed
with vinegar and water. The membrane can be soaked in vinegar water but
I only recommend that if you are in a real pickle. The membrane is
typically good for 3 to 5 years, so you *might* consider inserting a new
one in the housing once it is all clean, while you have it pulled apart.

Marc


George wrote:
> Just trying to get some advice. Planning on doing some maintenance on my
> unit, which has never been backflushed in the three years I've had it. and
> since this unit doesn't have a backflush kit available, I was wondering if
> it is possible to pull the membrane out of its housing and clean it, say
> with acetic acid, and/or peroxide. Any suggestions?
>
>

--
Personal Page: http://www.sparklingfloorservice.com/oanda/index.html
Business Page: http://www.sparklingfloorservice.com
Marine Hobbyist: http://www.melevsreef.com

Posted by George on October 5, 2005, 4:30 am
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> You can pull out the membrane, using pliers. The housing can be washed
> with vinegar and water. The membrane can be soaked in vinegar water but
> I only recommend that if you are in a real pickle. The membrane is
> typically good for 3 to 5 years, so you *might* consider inserting a new
> one in the housing once it is all clean, while you have it pulled apart.
>
> Marc
>
>
> George wrote:
>> Just trying to get some advice. Planning on doing some maintenance on
>> my unit, which has never been backflushed in the three years I've had
>> it. and since this unit doesn't have a backflush kit available, I was
>> wondering if it is possible to pull the membrane out of its housing and
>> clean it, say with acetic acid, and/or peroxide. Any suggestions?
>
> --
> Personal Page: http://www.sparklingfloorservice.com/oanda/index.html
> Business Page: http://www.sparklingfloorservice.com
> Marine Hobbyist: http://www.melevsreef.com

Thanks for the info. I will likely try the vinegar solution first, since
I have to buy the other filters, and don't have the bucks to shell out for
a new membrane right now. If the vinegar doesn't work as expected, I'll
have to consider buying a new membrane. Again, thanks.



Posted by kim gross on October 6, 2005, 4:15 am
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Marc Levenson wrote:
> You can pull out the membrane, using pliers. The housing can be washed
> with vinegar and water. The membrane can be soaked in vinegar water but
> I only recommend that if you are in a real pickle. The membrane is
> typically good for 3 to 5 years, so you *might* consider inserting a new
> one in the housing once it is all clean, while you have it pulled apart.
>
> Marc
>
>
> George wrote:
>
>> Just trying to get some advice. Planning on doing some maintenance on
>> my unit, which has never been backflushed in the three years I've had
>> it. and since this unit doesn't have a backflush kit available, I was
>> wondering if it is possible to pull the membrane out of its housing
>> and clean it, say with acetic acid, and/or peroxide. Any suggestions?
>>
>


Is the vineger wash valid for all types of membranes? CTA, TFC, PA
(polyamide), etc

Kim Gross

Posted by George on October 6, 2005, 4:41 am
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> Marc Levenson wrote:
>> You can pull out the membrane, using pliers. The housing can be washed
>> with vinegar and water. The membrane can be soaked in vinegar water but
>> I only recommend that if you are in a real pickle. The membrane is
>> typically good for 3 to 5 years, so you *might* consider inserting a new
>> one in the housing once it is all clean, while you have it pulled apart.
>>
>> Marc
>>
>>
>> George wrote:
>>
>>> Just trying to get some advice. Planning on doing some maintenance on
>>> my unit, which has never been backflushed in the three years I've had
>>> it. and since this unit doesn't have a backflush kit available, I was
>>> wondering if it is possible to pull the membrane out of its housing
>>> and clean it, say with acetic acid, and/or peroxide. Any suggestions?
>>>
>>
>
>
> Is the vineger wash valid for all types of membranes? CTA, TFC, PA
> (polyamide), etc
>
> Kim Gross

Not being sure what type of membrane I have, I simply rinsed it as best I
could and put it back in the housing after I sterilized the rest of the
unit.



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