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If you buy a used one, you'll probably have to replace all of the filters since you won't be sure of the history..if you get a new one, well, you can see where Im going...
Ideally, try and get one that comes with a TDS meter (either hand-held or inline) as that is the ONLY way to know for sure that you need to replace the cartridges
__________________ Don't just treat the symptom, remedy the cause! |