I bought this RO/DI system probably almost a year ago. I have no idea when or how often I'm supposed to change the filter media or do maintenance, etc. I probably only use about 10 gallons a week as my tank is only 38 gallons. Any advice is appreciated....
http://www.airwaterice.com/product/1COMPACT75
http://www.airwaterice.com/product/1COMPACT75