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RO advise

704 views 0 replies 1 participant last post by  Holdenon5 
#1 ·
I just purchased a RO unit and I'm only going to be using off and on for water changes. I know to keep the RO membrane wet but my question is does the unit need to be fully filled with water or just partly to keep the membrane wet when not in use? Sorry for the nooby question :lol:
 
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