DAP Silicone Aquarium Sealant

Long lasting 100% silicone rubber sealant provides a strong waterproof seal that won’t crack or shrink. Ideal for quick household repairs and projects, as well as building and repairing aquariums. Harmless to fresh and saltwater fish. Safe for food contact. Dishwasher and microwave safe. Waterproof. Dishwasher & microwave safe. Food safe. Stay flexible. Will not crack or shrink. Nontoxic to fresh & salt water fish.