Aquarium Mini Single Barrel Nano fish tank Bio Sponge Filter

A compact and efficient filter, perfect for nano aquariums where space is limited. This sponge filter provides both mechanical and biological filtration, while the air infusion chamber produces fine bubbles, increasing oxygen solubility. Ideal for fry or shrimp tanks, it is quick and easy to set up, delivering effective filtration despite its simple design.

Replacement sponges for this aquarium filter can be found HERE. 

Key Features and Important Notes:

• Provides both mechanical and biological filtration, with an air infusion chamber that creates minute bubbles to increase oxygen solubility.
• Suitable for aquariums up to 20 litres.
• Perfect for fry tanks and fish that require low flow, such as bettas and Killifish.
• Requires an air pump to operate.
• Suitable for both freshwater and saltwater aquariums.
• 1-Year warranty (T&C apply).
• Part of the Castle Dawn Aquatics BASICS range: packaged in non-printed recycled materials, free of unnecessary inserts. This range is designed to be budget-friendly and environmentally conscious.

• ⚠️ Warning: Due to its popularity, counterfeit versions made from non-aquatic safe materials are being sold on various low-cost apps/sites. Be aware that these cheap imitations may pose a risk to the health of your aquarium inhabitants.