Sunday, February 26, 2006

Brita Filter Innards

Sample: The innards of a "Brita" pitcher-type water filter.
Source: Free Box, Beloit College.

As far as I can tell, there are two components to this pitcher. The black stuff is activated charcoal, which wicks organic impurities and foul tastes out of the water. The green spherical stuff is some sort of ion-exchange resin, which scavenges nasties like lead, cadmium, and mercury, and replaces them with something benign, like potassium or sodium.

Brita Stuff, 10x.

Brita Stuff, 60x.

Activated Charcoal, 200x.

Ion Exchange Resin, 200x.

Ion Exchange Resin, 60x.

Ion Exchange Resin, 200x.


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