The Perfect Combo for Professional Aquascaping! Hygger CO2 Instant Waterscape Glue is a liquid-form adhesive, safe and non-toxic (not for underwater use). It features strong bonding, fast curing, and waterproof transparency, making it ideal for bonding various aquascaping materials—especially heavier decor like stones and driftwood. Loved by aquascaping enthusiasts! Premium Seiryu Rock Stones boast natural grey-white hues and intricate textures, with each stone measuring 4-6 inches. Available in 6.6 lb, 13.2 lb, or 20 lb options to fit different tank sizes. These stones create depth, caves, and territories for fish, replicating natural habitats while adding architectural beauty to your aquarium. Bundle Benefits: ✔ Securely bond Seiryu stones for stable hardscape structures ✔ Natural stone + professional glue for effortless high-end designs ✔ Perfect for freshwater tanks, planted aquariums, and various aquascaping styles Whether crafting mountains, valleys, or standalone rock formations, this combo helps you achieve your dream aquascape with ease!