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API CO2 Booster – Liquid Carbon for Planted Aquariums
Price range: $24.95 through $39.90 Select options This product has multiple variants. The options may be chosen on the product page
API Leaf Zone – Aquarium Plant Fertiliser
Price range: $16.90 through $24.90 Select options This product has multiple variants. The options may be chosen on the product page
Seachem Flourish
Price range: $11.95 through $74.95 Select options This product has multiple variants. The options may be chosen on the product page
Seachem Flourish Advance
Price range: $9.95 through $99.95 Select options This product has multiple variants. The options may be chosen on the product page
Seachem Flourish Excel
Price range: $9.95 through $89.95 Select options This product has multiple variants. The options may be chosen on the product page
Seachem Flourish Iron
Price range: $9.95 through $99.95 Select options This product has multiple variants. The options may be chosen on the product page
Seachem Flourish Nitrogen
Price range: $11.95 through $27.95 Select options This product has multiple variants. The options may be chosen on the product page
Seachem Flourish Phosohorus
Price range: $16.96 through $25.95 Select options This product has multiple variants. The options may be chosen on the product page
Seachem Flourish Potassium
Price range: $12.95 through $92.95 Select options This product has multiple variants. The options may be chosen on the product page
Seachem Flourish Tabs
Price range: $19.95 through $49.00 Select options This product has multiple variants. The options may be chosen on the product page
Seachem Flourish Trace
Price range: $12.95 through $89.95 Select options This product has multiple variants. The options may be chosen on the product pageIn stock
Aquarium Plant Fertilisers
Live aquatic plants rely on a steady supply of nutrients to grow strong, vibrant, and healthy. Our range of aquarium plant fertilisers includes everything from root tabs to liquid blends, giving you the tools you need to create a flourishing underwater garden.
Why Use Fertiliser in a Planted Aquarium?
Even in well-stocked tanks, many essential nutrients like iron, potassium, and micronutrients are quickly used up or missing altogether. Fertilisers fill in these gaps and provide the building blocks plants need for photosynthesis, growth, and colour.
Types of Aquatic Plant Fertilisers
- Liquid fertilisers: Add nutrients directly to the water column—great for stem plants and floating species.
- Root tabs: Ideal for heavy root feeders like swords and crypts—insert directly into your substrate.
- All-in-one blends: Convenient formulas that supply macronutrients (NPK) and trace elements in one bottle.
Did you know? Plants that lack nutrients may display yellowing leaves, stunted growth, or melting. A good fertiliser routine helps prevent these issues.
Choosing the Right Fertiliser
Different plant species have different nutrient demands. For best results, pair your fertiliser choice with your aquarium’s plant types, light levels, and CO2 use. Need help? Our team can guide you.
💡 Not sure which plant fertilisers are right for your setup? Contact us for free expert advice.
