🔧 Seal it, don’t leak it! Your aquarium deserves the best. Clear silicone blends seamlessly with your aquarium decor. Stop leaks in their tracks with this waterproof silicone sealant! Effortlessly apply for a long-lasting, reliable bond. Safe for both freshwater and saltwater environments. Enjoy a permanently flexible bond that won't crack or shrink. 100% Non-toxic Waterproof seal Permanently flexible Aqueon Silicone Sealant Clear is a 3-ounce waterproof sealant designed for aquarium use. It offers a permanently flexible bond that is 100% non-toxic, making it safe for both freshwater and saltwater environments. The clear silicone color ensures a seamless look, while its easy application guarantees a long-lasting hold.