All-Glass Clear Silicone Caulking Gun Tube aquarium sealant is easy to apply and provides a long-lasting waterproof bond

• CAULKING GUN NECESSARY FOR USE NOT INCLUDED
  
• Permanently flexible and does not crack or shrink
  
• Waterproof seal stops leaks
  
• Same strength silicone used to manufacture new aquariums
  
• Non-toxic for use on fresh water and salt water aquariums
  
• Long-lasting bond is easy to apply
  
• 10.3 oz