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russ_clark

  • Posts: 923
Re: R O System Upgrade advice
« Reply #20 on: April 28, 2007, 11:02:40 am »
how can you tell if the membranes need replacing??
any advice tech guys please???

russ_clark

  • Posts: 923
Re: R O System Upgrade advice
« Reply #21 on: April 29, 2007, 05:51:44 pm »
can you tell if the membranes are knackered by looking at them.
I have a couple of photos but do not know what to look for?