What do Activated Carbon Block filters remove and reduce?
Activated carbon can be effective in reducing hundreds of substances including contaminants and other chemicals from the tap water. However, the most cited studies by EPA and NSF claim effective removal of between 60-80 chemicals, effective reduction of another 30 and moderate reduction for 22.
The range of effective removal is important and depends on the quality of the activated carbon used and in what form (GAC vs carbon block). Make sure to chose a filter that removes the contaminants of concern for your local tap water.
According to EPA (the Environmental Protection Agency in the United States) Activated Carbon is the only filter technology recommended to remove
- All 32 identified organic contaminants including THMs (by-products from chlorine).
- All 14 listed pesticides (this includes nitrates as well as pesticides such as glyphosate also referred to as roundup) the 12 most common herbicides