Pro Shrimp's comment: Black Gravel, 1-2mm, shiny. This is one of the most popular black gravels on the market. Very smooth and attractive. This gravel does not havy any impact on water parameters!

Perfect bio-functionality – and highly attractive as well

Crystal quartz gravel

Rounded grains protect bottom-dwelling fish

• Hardener-free
• CO₂-proof
• Light-resistant
• Water-neutral
• Grain size 1-2 mm
• Rounded edges protect bottom-dwelling fish

5KG