Seachem Plant Fundamentals Kit
Plant Pack Fundamentals is an excellent pack for beginning aquatic gardeners. It contains Flourish, Flourish Iron, Flourish Excel.
Flourish
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 is rich in gluconate iron, manganese, calcium, magnesium, potassium, inositol, choline B12, biotin, and other factors that have been determined to be beneficial to aquatic plants.
Flourish Iron
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. Plants can utilize both ferric (Fe+3) and ferrous (Fe+2) forms of iron, but Flourish Iron provides the more readily available ferrous form for efficient uptake.
Flourish Excel
Flourish Excel is a high-performance supplement designed to support rapid plant growth and enhance leaf color. It contains a concentrated blend of trace elements and vitamins that promote robust growth and vibrant foliage in aquarium plants.
| Product | Key Features |
|---|---|
| Flourish | Growth stimulator with essential trace elements, vitamins, and amino acids; supports stem and leaf development |
| Flourish Iron | Provides 10,000 mg/L of complexed ferrous iron; ideal for iron supplementation in planted tanks |
| Flourish Excel | Enhances growth rate and leaf color; rich in trace elements and vitamins for vibrant plant development |
FAQ
Can I use this kit for both freshwater and saltwater aquariums?
This kit is specifically designed for freshwater planted aquariums and is not suitable for saltwater environments.
How often should I add Flourish and Flourish Iron to my tank?
Add Flourish once every 2 to 4 weeks depending on plant growth. Flourish Iron should be dosed once per month or as needed based on iron levels in the water.
Is Flourish Excel necessary if I already use Flourish?
Flourish Excel is recommended for plants that show slow growth or pale foliage. It enhances growth rate and color, but Flourish alone can support basic plant development.

Boris Clark –
I’ve been using the Plant Fundamentals Kit for three months now. My plants are growing much faster and the leaves are greener than before. The combination of Flourish and Flourish Iron makes a noticeable difference in plant health. Easy to dose and effective.
Adrian Ogden –
The kit arrived quickly and the instructions were clear. My anubias and java ferns are thriving. I noticed better color and growth after using Flourish Excel. A solid starter pack for beginners.
Donna Hart –
As a new aquarist, I was unsure about plant care. This kit gave me confidence. My plants have grown steadily and look healthy. The iron supplement helped prevent yellowing leaves.