1 KG Volcanic Lava Rock Pebbles for Filter Media
- In stock, ready to ship
- Inventory on the way
Lava rock – the igneous rock that forms as an erupting volcano's molten lava cools and hardens – is very porous. When chunks of it live in your filtration system, you provide a lot of surface area for beneficial bacteria to colonize and grow. That's what makes it such a great filter media.
Quantity: 1 Kg