cactus mucilage

About a year ago, I wrote about the benefits of four natural water filters -- plants, sand, oysters and coconut. Well, it seems you can throw the prickly cactus in there as one of nature's water filters as well, according to Norma A. Alcantar, an assistant professor in the University of South Florida chemical and biomedical engineering program. Alcantar first learned about … [Read more...] about Cleaning Water with a Cactus Water Filter