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Filtration

Catalytic carbon vs activated carbon

Updated November 2026

Catalytic, installed$1,200–$3,500published range
Standard carbon$850–$1,500installed

Activated carbon removes chlorine well but very little chloramine. Catalytic carbon is processed to break chloramine down, and it costs more.

Activated carbon Catalytic carbon
Chlorine Yes Yes
Chloramine Very little Yes
Whole-house, installed $850 to $1,500 $1,200 to $3,500

How to choose

Find out which disinfectant you have. If it’s chloramine, look for an NSF/ANSI 42 chloramine reduction claim on the exact model. Contact time matters too, so size the system for your home’s flow.

Sources: NSF, HomeGuide.

These are published ranges and general guidance, not quotes. In the Bay Area, Soft Patagonian offers free water tests.

Quick answers

Does activated carbon remove chloramine?

Very little in typical home filters. Chloramine has to be broken down, which is what catalytic carbon is made to do.