In planted aquariums all additives are essentially fertilizers. Plants need fertilizer to grow new tissue. While you can add different types of fertilizers independently it is easiest for beginners to add a comprehensive fertilizer with all of the essential elements in one product. Seachem Flourish contains all the major fertilizer components water plants need. We have many types of Seachem Flourish, including Flourish Excel, Flourish Iron, Flourish Phosphorus, Flourish Potassium, & Flourish Tabs. Related Articles:What do Live Aquarium Plants Need?

From the What do Live Aquarium Plants Need? Article:
Live freshwater plants look beautiful and help to clean the aquarium water. What is necessary for live plants to thrive in your freshwater tank? Here are four factors you should consider.

1. Compatibility
Before you add plants to your aquarium make sure that the fish you have are compatible with plants. Many fish, including Goldfish and most Cichlids, will eat plants. If you have some fish that are known to nip at plants, but would still like to have some plants, then start with thicker leafed plants like . . . continued