100% silicone aquarium sealant is easy to apply to stop leaks. The high-strength silicone creates a permanent water-tight seal that will not crack or shrink. It’s formulated to be non-toxic, making it perfect for use on all aquariums. For use with Caulking Gun.

•Waterproof seal does not crack or shrink •Permanently flexible •Long-lasting bond stops leaks •Easy to apply •100% Non-toxic silicone