SeriousDude5
Aquarium Advice FINatic
Its been abour 8 months and it is time to replace the filter on my ro/di system. It is a 5 stage filter and I was wondering if I needed to replace a couple of the whole thing let me know ty.
REplacing RO/DI filters
- Thread starter SeriousDude5
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ccCapt
SW 20 & Over Club
You should replace your carbon and sediment filters now. If you have color changing DI resin, that will tell you if it needs to be changed also. If it's not the color changing type, check your TDS and if it's getting high (over 5 ppm) it may need to be changed. You can normally get about 2 yrs out of the r/o membrane. Best way to tell when that needs to be replaced is watch your TDS.
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