Seachem - Silicone Sealant - 3oz - Black

• Does not crack or shrink. Permanently flexable
• Resists pressureand stress
• Water-tight seal
• high tensile strength
• freashwater and saltwater

Seachem aquarium sealant is a 100% RTV Silicone for sealing and repairing aquariums. It is formulated to provide excellent adhesion and tensile strength with permanent flexability. It is safe for aquatic life in both freshwater and saltwater.