When Should I Replace My Reverse Osmosis Filters?
If you’ve got a reverse osmosis system (RO) in your home, but don’t remember when the last time you changed your filters, then it’s probably safe to assume that it’s time to do so. Many RO brands recommend replacing the pre and post-filters every 6 months and the membrane every 12 months. But let’s be honest, not everyone does it exactly at those intervals. The problem that occurs when filters and membranes are not replaced regularly is that the water quality that comes out of the system will go down.