Desert cactus purifies contaminated water

To clean contaminated water for farmed fish, drinking and other uses, scientists now turning to mucilage of cacti.

Farm-grown fish are an important source of food with significant and worldwide societal and economic benefits, but the fish that come from recirculating systems can have unpleasant tastes and odors. To clean contaminated water for farmed fish, drinking and other uses, scientists are now turning to an unlikely source: the mucilage, or inner "guts," of cacti.

The researchers presented their work at the 251st national meeting and exposition of the American Chemical Society. A video on

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