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View Full Version : When to change RO/DI filters

devildog999
03/20/2012, 04:13 PM
I make about 20-40 gallons of water a week so about how often should I change the filters?
solitude127
03/20/2012, 04:22 PM
Here's a great thread on RO/DI filters
http://www.reefcentral.com/forums/showthread.php?t=1415770
devildog999
03/20/2012, 04:57 PM
Thank you