
How often to change filters?
I purchased a reverse osmosis system last year and it recommended to replace the filters for stages 1-3 every 6-12 months. Today marks the 12 month mark and I replaced the filters. I have a basic understanding of how the filters work and the 1st one takes the blunt of it and catches the sediment, rust, etc., and the other filters further filter the water.
Based on how dark the first filter is, should I be replacing the filters sooner rather than later? The reverse osmosis system only goes to a drinking faucet next to the sink. Water pressure wasn’t an issue so doesn’t seem like the flow of water was being restricted.