Aqueon® Silicone Aquarium Sealant Clear Color 3 OzRegular price $13.90 Save $-13.90
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100% silicone aquarium sealant is easy to apply to stop leaks. The high-strength silicone creates a permanent water-tight seal that will not crack or shrink. It’s formulated to be non-toxic, making it perfect for use on all aquariums.