- Size: 1kg
- Lava rock size: 2-3cm.
- Comes with a filter bag.
- High-Quality hand-selected lava rock.
- Does not release harmful chemicals or other substances into the aquarium water.
- Large surface area for nitrifying bacteria.
- Lava rock is PH Neutral.
- Lava Rock contains a range of essential elements including magnesium, calcium, iron potassium and manganese.
- Excellent for rooting aquarium plants.
- Wash before use.