Seachem Silicone Sealant is a top-of-the-line 100% RTV silicone sealant designed to seal and repair freshwater and saltwater aquariums. The formula creates a permanently flexible, watertight seal with a high tensile strength that won't crack, dissolve or shrink from the pressure or stress caused by the weight of water in your tank. 
 
Color Black
High quality silicone sealant
100% RTV silicone
Suitable for freshwater and saltwater aquariums
Won't crack, dissolve or shrink
Provides a watertight seal