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Details
Volcanic rock biological filter media that gives beneficial bacteria a porous surface to colonize in your aquarium filter.
- 1 liter volume
- Natural volcanic lava rock
- Porous, high-surface-area structure
- Suitable for aquarium filter compartments
- Rinse before first use
Who it's for: Freshwater and saltwater aquarium keepers who want a natural, porous media for their biological filtration setup.
Key benefits
- Gives beneficial bacteria room to colonize
- Supports biological filtration in aquariums
- Natural, porous rock media for filter compartments
How to use
Ingredients
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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