Natural cuttlebone is an easy, mess-free way to boost calcium and minerals for snails, shrimp and other inverts, helping prevent weak or eroded shells.
- Boost Shell Strength: Rich natural calcium helps prevent cracked, thin or eroded shells—vital for Nerites, Mystery, Ramshorn and Trapdoor snails.
- Essential Mineral Support: Slowly releases calcium and trace minerals that support snails, shrimp and other invertebrates.
- Aquarium Safe: 100% natural and safe for freshwater aquariums—won’t cloud water or drastically alter pH when used correctly.
- Simple to Use: Drop it in the tank or attach it near the filter flow—no mess, no maintenance.
- Long-Lasting Formula: Each piece can last several weeks, making it a convenient, cost-effective supplement.

