Aqueon Silicone Aquarium Sealant effectively stops aquarium leaks. This 100% silicone formula is easy to apply, too. This is a high-strength formula. It creates permanent seals that are completely water tight, and will never shrink or crack. Because it is a non-toxic product, it is safe to use on all aquariums. You can also apply Aqueon Silicone Aquarium Sealant as a preventative measure on older aquariums.
Why We Recommend It:
Non toxic and completely safe for aquariums
Creates a water tight seal that won’t crack or shrink
Made form 100% Silicone