Hydrocotyle tripartita, also known as "Japanese Pennywort," is a versatile and attractive aquatic plant that can be a great addition to freshwater aquariums. It is characterized by its delicate, round leaves and creeping growth habit, creating a beautiful carpet-like effect in aquariums.
Lighting Requirements: Hydrocotyle tripartita thrives in moderate to high lighting conditions. Provide your aquarium with 2-3 watts per gallon of full-spectrum lighting for optimal growth and coloration. LED lights are recommended for their energy efficiency and ability to provide a balanced spectrum.
Water Parameters:
Substrate and Anchoring: A nutrient-rich substrate is recommended for Hydrocotyle tripartita to promote healthy growth. Use a fine-grained substrate like aquarium soil or a specialized planted aquarium substrate. Secure the plant by planting individual stems or small sections of the plant into the substrate. Over time, it will spread and form a carpet.
CO2 and Nutrient Requirements: CO2 supplementation is beneficial for promoting healthy and compact growth in Hydrocotyle tripartita. It is considered a moderate CO2-demanding plant. Additionally, provide a regular supply of essential nutrients, including macronutrients (nitrogen, phosphorus, potassium) and micronutrients (iron, magnesium, etc.), through liquid fertilizers or root tabs.
Water Flow: Maintaining gentle water flow is recommended to prevent debris accumulation on the leaves. It also helps in nutrient distribution throughout the plant. Avoid placing the plant directly in the path of strong water currents, as it may damage the delicate foliage.
Pruning and Propagation: Regular pruning is essential to keep Hydrocotyle tripartita in shape and to prevent it from overshadowing other plants. Trim any excessive growth using sharp scissors or aquascaping tools. Trimmed stems can be replanted to propagate the plant and fill out the carpeted area more quickly.
Algae Control: Maintaining a balanced aquarium environment is crucial for preventing algae growth. Adequate lighting, CO2 supplementation, and nutrient balance will help prevent algae from overtaking the plant. Regular maintenance, such as removing dead or decaying plant matter, will also help keep algae under control.
Compatibility: Hydrocotyle tripartita is generally compatible with most fish species and invertebrates. However, it is advisable to avoid keeping plant-eating species or those that may uproot the delicate carpet. Some popular tank mates include small schooling fish, shrimp, and snails.
Aquascaping Uses: Due to its creeping growth habit and attractive foliage, Hydrocotyle tripartita is commonly used as a foreground or carpeting plant in aquascapes. It creates a lush, green carpet effect and complements larger plants or hardscape elements such as rocks or driftwood.
By following these care guidelines, you can enjoy a beautiful and thriving Hydrocotyle tripartita carpet in your aquarium. Remember to monitor and adjust the parameters as needed to ensure the plant's well-being. Happy aquascaping!