HydroLogic® PreEvolution™ ChloraShield® Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron

HydroLogic® PreEvolution™ ChloraShield® Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron

The ChloraShield® upgrade replaces the standard carbon pre-filter in your HydroLogic® PreEvolution™ system with a high-performance 1-micron block that removes 100% of chloramine — a critical advantage for growers on city water. Made in the USA with a low pressure drop and exceptional dirt-holding capacity.

Key Features & Benefits

• 100% Chloramine Removal — essential protection for RO membranes and beneficial microbial populations.
• 1 Micron Filtration — finer than standard carbon filters for greater particulate reduction.
• 1 GPM Flow Rate — matched to PreEvolution™ system flow.
• Made in the USA — low pressure drop, high dirt-holding capacity.
• Dimensions: 9.75in × 4.5in — direct replacement for PreEvolution™ carbon housing.
• Replacement interval: every 7,500 gallons.

Who Should Use This

Growers on city or municipal water supplies where chloramine is used as the disinfectant. Standard carbon filters do not fully eliminate chloramine — ChloraShield® does.

Compatibility

Compatible with HydroLogic® PreEvolution™ systems. Dimensions: 9.75in × 4.5in.

Frequently Asked Questions

How is ChloraShield® different from the standard green coconut carbon filter?

ChloraShield® is rated to 1 micron and is specifically engineered to remove 100% of chloramine, which standard carbon filters cannot fully eliminate.

How often should I replace it?

Every 7,500 gallons, or when you detect chlorine/chloramine or notice a flow reduction.

Is this made in the USA?

Yes — ChloraShield® filters are manufactured in the USA.

Can I use this if my source is well water?

Yes — the 1-micron rating still provides excellent particulate removal even without chloramine present.