Seachem Flourish Excel
Seachem Flourish Excel is a bioavailable organic carbon supplement designed for planted aquariums. It serves as a great alternative or complement to CO2 injection systems.
This product provides essential photosynthetic intermediates to support healthy plant growth in aquariums with live plants.
Key Benefits
- Delivers organic carbon in a form readily available to aquatic plants
- Supports plant growth without requiring CO2 injection
- Enhances photosynthesis in planted tanks
Product Specifications
| Component | Details |
|---|---|
| Form | Granular |
| Application Method | Direct addition to aquarium water |
| Recommended Dosage | Follow manufacturer guidelines based on tank size and plant density |
| Compatibility | Planted aquariums with live plants |
FAQ
Can Seachem Flourish Excel be used with a CO<sub>2</sub> injection system?
Yes, Seachem Flourish Excel can be used alongside a CO<sub>2</sub> injection system to enhance plant growth.
How often should I add Seachem Flourish Excel to my aquarium?
Follow the dosage recommendations provided by the manufacturer based on your tank size and plant load.
Is Seachem Flourish Excel safe for fish and invertebrates?
Yes, Seachem Flourish Excel is formulated to be safe for fish and invertebrates when used as directed.

Brian Sanderson –
I’ve been using Flourish Excel in my 55-gallon planted tank for three months. My plants have grown noticeably stronger and more vibrant. I no longer rely on CO2 injection, and the water remains stable. Easy to dose and effective.
Jan Martin –
The plants in my aquarium have shown better color and growth since I started using Flourish Excel. It works well with my existing setup and doesn’t cause any issues with fish behavior.
Ella Walker –
I switched from a CO2 system to Flourish Excel after a maintenance issue. My stem plants and mosses have responded positively. The granules dissolve well and the tank looks healthier.