Not All Are Made Equal
Granular Activated Carbon (GAC)
- Loose granules of carbon
- Organic impurities develop in the filter, leading to less effective filtration as there’s less contact between the water and carbon
- Particles move around and causing lack of uniformity throughout
- Requires longer contact time with water to filter effectively
Solid-Block Activated Carbon
- Blocks of compressed carbon, grounded even further into a fine mesh 7-19 times than GAC filters
- Organic impurities not easily develop as blocks are much tighter and won’t let through cysts
- Removes more contaminants due to larger surface area, remove chlorine more effectively, eliminate undesirable odours and halogenated organic compounds.
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Retrieved June 28, 2017, from http://www.thewaterpage.com/active-carbon-block.htm