Reverse Osmosis Maintenance: Filter Replacement Schedule
Reverse osmosis (RO) systems can produce high-quality drinking water for years, but only if their components are maintained. The key to reliable output and low repair risk is following a filter replacement schedule—then adjusting it based on your water quality, usage, and how your system performs between changes.
Most home RO units use multiple treatment stages. Typically, a sediment filter removes particles, carbon filters reduce chlorine and organic compounds, and the RO membrane performs the desalination. After those stages, post-filters (often carbon) can improve taste and protect storage tank water quality.
Common RO filter replacement schedule (typical ranges)
1) Sediment pre-filter (sediment/cartridge)
Typical replacement: every 3–6 months.
If your water source has higher turbidity or you notice faster pressure drop or reduced flow, you may ... Read more »

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