in my ro/di i replace my filters every 3 to 6 months and the membrane should be good for 3 to 5 years if its a good one. you can head over to www.airwaterice.com and get a tds meter for around 20 bucks.
CR Member
in my ro/di i replace my filters every 3 to 6 months and the membrane should be good for 3 to 5 years if its a good one. you can head over to www.airwaterice.com and get a tds meter for around 20 bucks.
It's all about the reef. :YEAH:
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