Dennerle Nano Catappa Leaves — Water Conditioner for Natural Aquarium Care
The Dennerle Nano Catappa Leaves are a water conditioner designed to support natural water quality in aquariums. They release beneficial humic and fulvic acids that mimic the soft, slightly acidic conditions found in tropical biotopes.
12 leaves per package treat up to 1,200 litres of water
Natural active ingredients from Catappa tree leaves promote a healthy aquarium environment
Supports the natural slime coat of fish and invertebrates
Compact size — ideal for nano aquariums and small tanks
What makes Dennerle Nano Catappa Leaves special
Unlike synthetic water treatments, these leaves work through natural biological compounds. The slow release of humic substances helps stabilise pH and creates a gentle, species-appropriate water environment over an extended period.
Ideal for...
Nano aquarium enthusiasts and shrimp keepers who maintain soft-water biotopes. Also well suited for community tanks with sensitive species that benefit from slightly acidic, tannin-rich water conditions.
Application of Dennerle Nano Catappa Leaves
Add the desired number of leaves directly to the aquarium water. One leaf treats approximately 100 litres. Start with a small number and adjust based on water colour and the needs of your livestock. Replace leaves every few weeks as they gradually dissolve.
Dennerle is a German aquarium and water care brand specialising in natural products for freshwater and marine aquariums. The company focuses on biological water conditioning, plant nutrition, and species-appropriate husbandry. Dennerle products are widely distributed in the aquarium trade and are known for their research-backed formulations.
They are a natural water conditioner that releases humic and fulvic acids to support water quality, stabilise pH, and create a soft-water environment in aquariums.
One leaf treats approximately 100 litres. A package of 12 leaves covers up to 1,200 litres — adjust the number based on tank size and desired water colour.
Yes. The natural humic substances support the slime coat of fish and invertebrates and create a gentle water environment suitable for sensitive species.
Replace the leaves every few weeks as they gradually dissolve. Fresh leaves can be added to maintain the desired level of humic substances in the water.
The product has a best-before date of 24 October 2023. Store in a cool, dry place away from direct sunlight.
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