Aqua cape clear silicone sealant is ideal for ponds, aquariums, terrariums and more. Aqua cape fish-safe and plant-safe clear silicone is easy to use and apply, allowing you to quickly make professional water-tight seals. The 10.1-Ounce tube is to be used with a caulking gun for quick application. Also, available in black color. Aqua cape is passionate about the products we produce, providing unique products, designs, and features that stand above the competition.