racefan Posted October 3, 2009 Share Posted October 3, 2009 I'm setting up a RO/DI unit & the directions say to flush the membrane for 15 to 30 minutes. Do you flush it BEFORE you install it in the housing? if so how? Quote Link to comment Share on other sites More sharing options...
impur Posted October 3, 2009 Share Posted October 3, 2009 No just set it up and run it down the drain for 30min. Quote Link to comment Share on other sites More sharing options...
CCR Posted October 3, 2009 Share Posted October 3, 2009 preferably before you hook up the DI. Also BURP IT. Turn it, the membrane holder,, so when flowing the fittings are at the top to get trapped air out, then you can turn it back Quote Link to comment Share on other sites More sharing options...
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