Details : Plant Pack Fundamentals Is An Excellent Pack For Beginning Aquatic Gardeners. It Contains Flourish, Flourish Iron, Flourish Excel Flourish Is A Growth Stimulator For Aquarium Plant Stems And Leaves. It Contains A Broad Spectrum Of Essential Trace Elements, Vitamins, And Amino Acids Flourish Iron Is A Companion Product To Flourish And Flourish Tabs. It Is A Complexed Ferrous (Fe+2) Iron Product Which Contains 10,000 Mg/L Of Iron And Is Ideal For Iron Maintenance In The Natural Planted Aquarium Flourish Excel Is A Simple Source Of Readily Available Organic Carbon. All Plants Require A Source Of Carbon