The DE Filter Replacement Decision

That old DE filter on the pad is doing more than collecting dirt, it is quietly adding hours to your workload and choking your pool’s circulation every time the PSI creeps up. We break down what really happens when a DE grid filter ages out, why the “quickest” replacement can be the most expensive choice over time, and what upgrades actually make a difference for water clarity, flow, and weekly maintenance. We use a familiar setup like a Pentair FNS Plus as the reference point and compare re...