Specification Brand : LANDEN BulletPoint1 : 【Pure Natural Stone】 Pure natural material, carefully selected and cleaned by hand, each piece is a unique shape. It is a quality choice for aquascape stones with aggressive and jagged grooves, natural and shapely. The surface grooves are dense, and the white texture is obvious, adding a unique sense of genuine art to your aquascape. BulletPoint2 : 【Full Color and Texture】 After acid washing, the seiryu stone removes the impurities on the surface, presenting a darker color and clearer texture, which is highly contrasting in visual effect. The aquarium environment built with dark seiryu stones is more likely to reflect the color of the creatures. It can be matched with colorful plants and fish to make the overall effect more ornamental. BulletPoint3 : 【Natural and Stylish Aquascape】 Contains stones of different sizes and shapes such as 3-11 inches, which can meet the needs of bonsai and aquascape. Suitable for IWAGUMI and natural aquarium style planted tanks, different sizes of stones are matched to create natural landscapes such as rock piles, caverns, caves, etc. It can also be compared with driftwood to reap special visual effects. BulletPoint4 : 【Stable Nature】 Acid-treated dark seiryu stone is usually more durable and less susceptible to erosion and damage by water organisms and the environment. It can be used in aquariums for a long time without frequent replacement or maintenance. It attenuates the hard water problem of ordinary seiryu stone and does not easily affect the PH value. BulletPoint5 : 【Product Specifications】 40L, approximately 17 lbs, contains 3-11" mixed sizes. Please clean again before use and regularly check the water quality and pH. If there is an increase in pH and water hardness, LANDEN Aquarium Soil can help balance it. BulletPoint6 : Easy to Use & Perfect Gift for Aquarium Hobbyists — These natural rocks are sturdy and durable, pre-washed, and ready to use after a quick rinse. An ideal gift for aquarium hobbyists, terrarium DIYers, and lovers of natural aquascaping and pets. Color : Black Color1 : White Color2 : Gray Color3 : Gray CustomerPackageType : Standard Packaging Directions : NO ExternallyAssignedProductIdentifier1 : 850038983215 ExternallyAssignedProductIdentifier2 : 0850038983215 GpsrSafetyAttestation : 1 IncludedComponents : no ItemDisplayDimensions_Length : 30 centimeters ItemDisplayWeight : 2 pounds ItemName : LANDEN Dark SEIRYU Stones Natural Rocks(17lbs, 3~11 inches,7-8pcs) for Aquarium, Paludarium, Terrariums, Landscaping Rocks, Decorative Aquarium Rocks ItemPackageDimensions_Height : 28.6 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 22.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : aquarium-decor-rocks Manufacturer : LANDEN Material : slate ModelName : aquarium stone ModelNumber : 398-1 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 398-1 ProductDescription : Also called Black Mountain Seiryu Stone, dark seiryu stone is considered a darker cousin to the seiryu stone. This stone gets is name for its darker grey, almost black color with a hint of a bluish undertone compared to the lighter seiryu stone. It has aggressive and jagged grooves. Its texture and characteristics resemble seiryu stone, making it perfect for getting variety and a good partner for brightly colored aquarium plants. Dark seiryu stones are versatile and can be placed at the bottom of hardscape layouts to mimic the natural environment, as well as for forest-style layouts on sandy bottoms and at the bottom of Iwagumi aquascape layouts. They can bring a natural look to aquariums, pallet boxes, aquariums, reptiles, and amphibian enclosures, creating friendly habitats and providing genuine support for aquatic life. ProductSiteLaunchDate : 2022-11-10T06:17:27.204Z Size : 08 Dark Seiryu Stones(3-11inch,17lbs) SpecificUsesForProduct : Aquarium, Micro-landscaping, Garden landscaping, Bonsai tree displays DIY, Home decor, Reptile and amphibian enclosures SpecificUsesForProduct1 : Aquarium Stone Red Lava Stone SpecificUsesForProduct2 : Lava Stones for Aquascaping SpecificUsesForProduct3 : Red Lava Stones Terrariums SpecificUsesForProduct4 : Vivariums decorative rocks SpecificUsesForProduct5 : Paludarium Lava Stones SupplierDeclaredDgHzRegulation : other SupplierDeclaredHasProductIdentifierExemption : 1 TargetAudienceKeyword : fish TargetAudienceKeyword1 : Fish TargetAudienceKeyword2 : betta TargetAudienceKeyword3 : goldfish TargetAudienceKeyword4 : shrimp TargetAudienceKeyword5 : Reptiles and Amphibians UnitCount : 1 UnspscCode : 10110000 WarrantyDescription : no