Seachem Catappa Leaves are a premium natural product for freshwater aquariums. These Indian almond leaves (Terminalia catappa) gradually release valuable tannins and humic substances into the water, helping to replicate the natural blackwater conditions favored by many tropical fish and shrimp. Seachem Catappa Leaves help reduce stress, support slime coat development, boost immune function, and offer mild antibacterial effects. Especially recommended for bettas, shrimp, discus, and other blackwater species.Seachem Catappa Leaves+ 100% natural Catappa (Indian almond) leaves+ available in Small (approx. 10-12 cm) & Medium (approx. 16-17 cm)+ naturally enhances water quality and fish health+ supports immune defense and stress reduction+ ideal for blackwater setups and shrimp tanks+ slow decomposition for long-lasting effectApplication Seachem Catappa LeavesAdd 1-2 leaves per 20 liters (5 US gallons). Remove and replace every month or as desired. Catappa leaves may float initially but will