Clean It Up
UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: ftp on August 15, 2008, 09:50:13 pm
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Who's got the oldest membranes and at what tds in?
Mine are about eighteen months old with tds in around 360 should i be thinking of replacing them?
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Mine are about 18 months old as well, tds in at 75. Regularly flushed I should get the same again.
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My merlin is about 3 and a half years old,still got both original membranes and pre-filter :o and tds is still the same ;D ;)
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Mines two and a half years old now and still going strong.
I'm going to regret saying that
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My ionic ro is 7 1/2 years old tds in is 90.
Stuart