Black Venom Boulder

Black Venom Boulder is a rock that mesmerizes with its stunningly vibrant pitch-black color and smooth black-glazed surface. Its maze-like texture makes it a high-impact rock that beautifully complements plants and mosses, while creating intricate designs. Black Venom Boulder is a great choice for complementing ryoboku layouts. It adds depth to your aquarium or terrarium and provides a stunning contrast that magnifies the green of your plants and mosses. - Vibrant pitch-black color - Smooth black-glazed surface - Maze-like texture - Complements plants and mosses - Great for ryoboku layouts - High-impact rock Characteristics - Type: Igneous stone - Color: Dark grey and vibrant pitch-black underwater - Texture: Smooth with rich forms - Stone size: Available from 10 to 30 cms - Water hardness: May raise pH and hardness slightly