Seachem Flourish Excel | Liquid Organic Carbon for Planted Aquariums | 100ml & 250ml

Give your aquatic plants the carbon they need to thrive with Seachem Flourish Excel, a premium liquid organic carbon supplement designed to promote healthier, faster plant growth in freshwater planted aquariums. Flourish Excel provides a readily available source of bioavailable organic carbon, making it an excellent alternative or supplement to traditional CO₂ injection systems.

Perfect for beginners and experienced aquascapers alike, Flourish Excel helps support lush plant growth while enhancing iron uptake by promoting iron in its more plant-accessible ferrous (Fe²⁺) form. Whether you're running a low-tech planted tank or a high-tech CO₂ system, Flourish Excel can help improve plant health, colour, and vitality.

Directions

• Initial Dose - After initial setup or following a water change greater than 40%, dose 5ml per 40 litres of aquarium water.
• Maintenance Dose -Thereafter, dose 5ml per 200 litres daily or every second day. For smaller aquariums, each cap thread holds approximately 1ml for accurate dosing.

Features

• Provides a readily available source of organic carbon
• Alternative or supplement to CO₂ injection
• Encourages faster, healthier aquatic plant growth
• Improves utilisation of iron by promoting the ferrous state (Fe²⁺)
• Easy-to-dose liquid formula
• Suitable for freshwater planted aquariums
• Ideal for low-tech and high-tech planted tanks
• Compatible with comprehensive fertilisers such as Seachem Flourish®

• Available Sizes -100ml, 250mL