- 30-day returns on unused items
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Details
This 1-3mm volcanic lava rock substrate gives aquarium setups a natural floor with a highly porous surface for beneficial bacteria.
- 100% natural volcanic lava rock
- 1-3mm porous grain size
- Micro-channels add surface area for bacteria
- Suitable for freshwater and marine tanks
- 15kg bulk bag for large or deep beds
Who it's for: Aquarium keepers planning extensive aquascapes or deep substrate beds in freshwater or marine tanks.
Key benefits
- Creates a realistic underwater landscape
- Adds surface area for beneficial bacteria
- Supports biological filtration
- Covers large or deep tank floors
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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