Berkey Water Filters

Berkey flow rates by model, why gravity filters are slow by design, how to fix slow flow, Phoenix element speed upgrade, and troubleshooting tips.

How do you know your Berkey actually works? From independent third-party laboratory "challenge tests" to the famous at-home Red Dye Test, we go behind the scenes to show you exactly how Berkey water filters are tested against contaminants like heavy metals, chlorine, PFAS, and fluoride. Learn how to verify your system’s performance right in your kitchen.

You bought a Berkey because you value fresh, high-quality water. To keep that water tasting crisp and to ensure your gravity-fed system runs at peak performance, regular maintenance is required.

Assemble your Berkey water filter in 5 simple steps. Priming tips, filter installation, spigot setup, and 2026 maintenance guide.