- 30-day returns on unused items
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Details
EuroStar Micro Bio Ring 500g offers a compact cylindrical biological filter media that provides surface area for beneficial bacteria in small aquarium filters.
- 500 g package size
- Compact cylindrical ring shape
- Expansive surface area for bacterial colonization
- Durable structure that holds its form
- Fits hang-on-back and mini external filters
Who it's for: Nano aquarium keepers and anyone with limited filter space who wants a compact biological media for small-scale fish and plant tanks.
Key benefits
- Supports beneficial bacteria colonization in small filters
- Fits tight filter spaces in nano tanks
- Holds its shape for long-lasting use
- Helps support a stable aquarium environment
How to use
Our Policies
Unused items in their original packaging can be returned within 30 days of delivery.
US orders over $75 ship free; below that, shipping is $9.99. Other countries see the rate at checkout. If customs charges you on delivery, send us the receipt and we refund it.
You can return unused items in their original packaging within 30 days of delivery. Opened cosmetics can't come back for a change of mind, but we always replace or refund items that arrive damaged, defective or wrong.
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