Planatopia Entra is a dream come true for aqua scapers who crave to have a fish population in a light-to-medium planted aquarium. By incorporating the vital elements from Planatopia Bloom and Planatopia Ultra we are introducing Planatopia Entra that makes a fabulous choice of an all-in-one fertilizer with an affordable reality. Planatopia Entra offers a great solution to your aquarium and a great value. Maintaining a healthy tank with enhanced colors in your plants is now a reality! Entra is tested safe for freshwater fish and aquatic invertebrates such as shrimp.