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sparklebright

How often do you change your membranes
« on: January 23, 2010, 08:59:51 pm »
Had my new membranes in my 300 gpd unit for a 13 months now. Looks like they need replacing.
My unit is on 24/7. Does this sound to soon to any of you?
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AuRavelling79

  • Posts: 26919
Re: How often do you change your membranes
« Reply #1 on: January 23, 2010, 10:00:39 pm »
No. It sounds good to me.

What was your tds in/out when you bought the last membranes? What is it now?
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It's a game of three halves!

john tomkins

  • Posts: 1639
Re: How often do you change your membranes
« Reply #2 on: January 23, 2010, 10:05:01 pm »
Quote from: sparklebright on January 23, 2010, 08:59:51 pm
Had my new membranes in my 300 gpd unit for a 13 months now. Looks like they need replacing.
My unit is on 24/7. Does this sound to soon to any of you?

Yes, mine are 3 1/2 years old and still putting out 5 tds, have you been changing filters regular?
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leapstallbuildings

Re: How often do you change your membranes
« Reply #3 on: January 23, 2010, 10:08:42 pm »
Sounds a bit soon to me if you have been changing pre filters when you're meant to.  If you haven't then 13 months sounds Ok.  I would be a bit disappointed to get less than 2 years from membranes - and would expect rather more assuming I had changed pre filters when necessary.
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sparklebright

Re: How often do you change your membranes
« Reply #4 on: January 23, 2010, 11:30:35 pm »
Must admit I didn't change the pre-filters for about 8 months, so maybe I have ruined them

My TDS is around 380ppm pre treatment and 15ppm after
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Londoner

Re: How often do you change your membranes
« Reply #5 on: January 24, 2010, 10:41:40 am »
My membrane is over three years old.
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