Specially formulated planting substrate, for long-term fertilisation.

• Creates ideal environment for aquatic plants, ensuring long-term release of key nutrients.
• Contains high quality mix of sand and black peat, with high iron and trace element content.
• Optimum grain size for rapid development of healthy roots.
• Free of nitrates and phosphates to prevent algae growth

Add a 2cm deep layer of CompleteSubstrate to the base of the aquarium, and then cover with 2-3cm of aquarium gravel. We recommend pea gravel of 1-3mm diameter.