Black Venom Nano Boulder

Black Venom Nano Boulders are small rocks that mesmerize with their stunningly vibrant pitch-black color and smooth black-glazed surface. Their maze-like texture makes them high-impact rocks that beautifully complement plants and mosses while creating intricate designs. Black Venom Nano Boulders are a great choice for complementing ryoboku layouts in smaller aquariums or terrariums. They add depth and provide a stunning contrast that magnifies the green of your plants and mosses. - Vibrant pitch-black color and high-impact rock - Smooth black-glazed surface - Complements plants and mosses - Great for ryoboku layouts in smaller aquariums or terrariums Characteristics - Type: Igneous stone - Color: Dark grey and vibrant pitch-black underwater - Texture: Smooth with rich forms - Stone size: Available under 10 cms - Water hardness: May raise pH and hardness slightly