Description
- You are purchasing 500 x high quality 26mm bio balls suitable for bio filtration in aquarium and pond filters alike.
- Bio Balls have an extremely large surface area, allowing beneficial bacterial to colonise, biologically filtering your water.
- These Bio Balls are 26mm in diameter, and you are purchasing a pack of 500.
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500 x Bio Balls for Pond/Aquarium and Fish Tank Filter Media
