1 KG Volcanic Lava Rock Pebbles for Filter Media Pond Care Inner / Outer diameter: 16/22

Inner / Outer diameter: 16/22 mm

Temperature: 20 to 260C

The Oase Biomaster Thermo is one of the best canister filters in the aquarium industry so far from the German company OASE with integrated heating and quick-release pre-filter module

Light: Medium

Due to its structure

1 KG Volcanic Lava Rock Pebbles for Filter Media Pond Care Inner / Outer diameter: 16/22Lava 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