Cartridge, D.E., or sand: what a clean filter protects

Name: Rivera Pool Care
Address: Murrieta, CA, US
Telephone: (951) 383-9753
Price range: $$

The filter catches what chemistry cannot: dust, dead algae, body oils, and silt. A neglected filter raises backpressure, overheats pumps, and sends debris back into the pool.

What pool owners should know

Cartridge systems filter roughly 10–15 microns and need full disassembly, degreasing, and pleat-by-pleat washing several times a year.
D.E. systems require regular backwashing, fresh D.E. powder, and an annual grid inspection for tears.
Sand filters need routine backwashing and media replacement every few years to prevent channeling.
The pressure gauge is the trigger: 8–10 PSI above the clean baseline means flow is restricted and a teardown is due.

Rivera Pool Care takeaway: The pressure gauge is an early warning system. Objective monitoring prevents pump motor burnout and crushed internal manifolds.