1 KG Volcanic Lava Rock Pebbles for Filter Media Pond Care Manual dimmer switch to dim

Manual dimmer switch to dim the light from 0% to max

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

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Light: Medium

1 KG Volcanic Lava Rock Pebbles for Filter Media Pond Care Manual dimmer switch to dimLava 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