Black Venom Nano Boulders (2kg)
Striking Hardscape Stones for Aquascapes & Terrariums

Black Venom Nano Boulders are bold, pitch-black igneous stones designed to elevate the visual impact of smaller aquariums and terrariums. Their smooth, glazed surfaces and intricate maze-like textures create striking contrast against vibrant greenery, making them ideal for intricate layouts and natural designs.

Perfectly suited for ryoboku-style aquascapes, these compact stones (under 10 cm) bring depth, texture, and character to your hardscape, particularly when paired with contrasting substrates like Heaven Sand.

Features

• Deep, vibrant pitch-black color with subtle dark grey tones underwater

• Smooth black-glazed surface with maze-like textures

• Enhances the appearance of mosses and aquatic plants

• Ideal for smaller aquariums and terrariums

• Complements ryoboku and nature-style layouts

Specifications

• Type: Igneous stone

• Color: Pitch-black (dry), dark grey to black (wet)

• Texture: Smooth with complex surface forms

• Stone Size: < 10 cm

• Packaging: Mixed sizes in 2kg bags

• Water Parameters: May slightly raise pH and hardness

Usage & Tips

• Suitable for both aquatic and terrestrial environments

• Rinse thoroughly and brush clean before introducing to your setup

• Avoid placing stones directly on glass—use substrate first to secure placement

• Use ScapeBond or adhesive when stacking to prevent movement or accidents

• Leave space between stones and glass walls for easier maintenance

• Regular water changes (using RO/soft water) can help regulate any pH/kH shifts

• Safe for fish, shrimp, and other aquatic life

Create depth, contrast, and a captivating natural look—Black Venom Nano Boulders are the ideal choice for your next aquascaping masterpiece.