100% Fish & Animal Safe: Specially formulated aquarium-safe silicone sealant that’s non-toxic, solvent-free, and ideal for aquariums, terrariums, vivariums, and reptile enclosures. Crystal Clear or Deep Black Finish: Available in both clear aquarium silicone for invisible seams and black silicone for professional, aesthetic finishes in modern tanks. Superior Waterproof Sealant: Ensures long-lasting, leak-proof sealing in freshwater and saltwater aquariums, terrariums, and glass structures. Resists moisture, water, and UV exposure. High Bond Strength & Flexibility: Offers excellent adhesion to glass and other non-porous surfaces. Maintains elasticity from -50°C to +200°C, preventing cracking or shrinking. Fast Curing – Easy to Apply: Single-component silicone that cures rapidly with atmospheric moisture. Skin forms in 7–13 minutes, with a curing rate of 3mm/day. Safe for Reptiles, Amphibians & Invertebrates: Certified reptile safe silicone and vivarium safe silicone, with no harmful chemicals or VOCs. Multipurpose Application: Perfect for aquarium construction, repair, glazing, shop displays, window sealing, and more. Bonds glass, aluminum, stainless steel, and select plastics. Premium Aquarium Silicone Sealant – Akfix 100AQ is a professional-grade aquarium silicone sealant designed for maximum safety and performance in aquatic and pet environments. Completely non-toxic, solvent-free, and engineered for long-term underwater use, it’s ideal for both DIY hobbyists and professionals. This aquarium-safe silicone forms a strong, flexible, and waterproof bond on glass and other non-porous materials. Whether you’re building a new tank or repairing an old one, it delivers unmatched durability and leak resistance. Choose between clear silicone for invisible bonds or black silicone for clean, bold lines in modern aquascaping. With excellent resistance to UV rays, water, and chemicals, it retains elasticity and adhesion even in extreme temperatures from -50°C to +200°C. Compatible with: Aquarium glass construction & repair Terrariums, vivariums & reptile enclosures Shop displays, glazing & window sealing