Korallen Zucht - Speedglue Coral Glue Powerful Bonding 0.5 kg is a high-speed binding mortar your corals, stones or even overhangs without problems.
Longlasting and rock-solid adhesive. Sticks in and outside of the water. Does not harm even the most sensitive corals and is also well suited for frags.
Speedglue is a powder that you mix with a small amoutn of water and use just like a cement, mixing slightly dry aids use underwater.
Korallen Zucht - Speedglue Coral Glue contains 0.5 kg of powdered speedglue cement.