• Naturally high inner surface platform for essential microorganisms
• High calcium content
• Helps to keep a stable PH-level
• No microbiological contamination
• Perfect for building reefs
• Natural rock
• No destruction of natural coral reefs
• Instant Reef-Look
Weight per carton/box : 12 KG, Approx. 13-20pcs.
**Product images are for illustrative purposes only and may differ from the actual product. Due to differences in monitors, colors of products may also appear different to those shown on the site**