Seachem Flourish Excel Bioavailable Carbon - Organic Carbon Source for Aquatic Plants 4L

Enhance Aquatic Plant Carbon with Flourish Excel

Flourish Excel provides a bioavailable source of organic carbon designed to support plant growth in freshwater tanks. While CO2 injection remains a powerful tool, Flourish Excel can be used on its own or alongside CO2 to sustain photosynthesis and help build carbon backbones. The product’s design centers on a finished, structurally similar compound to photosynthetic intermediates, allowing plants to access carbon more readily without relying solely on dissolved CO2. Additionally, Flourish Excel includes iron-reducing properties that shift iron toward the ferrous state (Fe2+), which many plants can take up more easily, contributing to steadier color and vigor in various setups.

Key benefits at a glance

• Provides bioavailable organic carbon to support plant metabolism
• Promotes iron Fe2+ availability for easier uptake by plants
• Supports photosynthesis by supplying finished carbon compounds
• Flexible dosing with or without CO2, adapting to tank needs
• Safe for fish and community tanks when used as directed

How to use Flourish Excel

• Initial use or after a major water change: 1 capful (5 mL) per 40 L (10 US gallons)
• Thereafter: 1 capful per 200 L (50 US gallons) daily or every other day
• Smaller dosing: each cap thread is approximately 1 mL
• If Anacharis is present, consider every-other-day dosing for future cycles

What to expect in your aquarium

In real-world tanks, you may notice newer growth tips, brighter greens, and steadier coloration in plants, especially in setups with modest CO2 or limited gas exchange. Flourish Excel offers a practical carbon supplement that complements a broad range of aquascapes and plant varieties. Results vary with factors like lighting, nutrient balance, and plant type, but many hobbyists appreciate the added flexibility of carbon input without heavy reliance on gas supplementation.

Note: This description reflects the product properties and usage guidelines. Always follow the label directions and consider your tank’s CO2 strategy, lighting, and nutrient regimen for best results.