Filters

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I've had mine over a year and no need tochange yet. I have a TDS meter and it will tell me when I need to change stuff out. Works great.
 
sediment filters every 6 months
carbon filters every year
DI is color changing resin, so that gets changed when the color changes
RO membrane about every 2 yrs or so...TDS meter determines exactly when it needs to be changed
 
Mine is pretty sparatic. I change the filters once TDS goes above 7-9 and resin when I start getting PO4 in the water. DI membrane once a year.
 
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