Nutrafin Max Livebearer Food for all livebearer fish such as Guppies, Platties, Swordtails and Mollies is a nutritious blend of freeze dried Tubifex Worms and specially formulated flakes. Low phophorus content minimizes the risk of algae blooms in an aquarium. Highly palatable P.D.P. enhances brilliant colors. Multi-vitamin supplements ensure optimum growth and disease resistance. The results are beautiful, healthy fish and clean aquarium water.