Spare Sponge for Bio Filter
- Bio-filter sponges are a simple and efficient tool to remove ammonia and nitrites produced in fish waste from system water.
- This sponge can work with a wide range of bio-filter media suitable for many different types of filters, including bio-balls, bio matrix pads and filter foam.
- If you use a these sponges they will clean your water while offering abundant surface area for bacterial growth and positive buoyancy for continuous movement within the system.
- Used as a spare sponge for a bio filter media
- 3x sponges per purchase included