Tag: Norma A. Alcantar

March 16, 2016

Video: Using cactus to clean fish tanks

By Jesse Stanchak

Fish farms are essential to meeting global demand for seafood. Keeping so many fish in compact tanks can have some unpleasant side effects, however, as sediments, bacteria and heavy metals like arsenic can build up in the water — and then end up in someone’s fish dinner. Cleaning these tanks can be difficult and expensive, […]

  • Environmental Science & Technology
  • Norma A. Alcantar
  • video