Aqueon Aquarium Sealer

Aqueon Silicone Aquarium Sealant creates a permanent, water-tight seal with the same strength as the sealant used to manufacture new aquariums. This 100% silicone sealant is permanently flexible, non-toxic, safe for fresh or saltwater tanks, and will not crack or shrink.   Permanently flexible, does not crack or shrink Same strength silicone used in manufacture of new aquariums Non-toxic for use on fresh and saltwater aquariums Long-lasting bond is easy to apply