WIO - Black Venom Boulder

Black Venom Boulder Boxes 

Our Boulder Boxes are complete, hand-curated sets designed to make professional-grade aquascaping effortless. Each box captures the wild elegance of nature’s stone formations — no two sets are ever the same.

Available Sizes:
Mega Box – 46 lb (21 kg) – Ideal for 2'–4' (60–120 cm) aquariums
Nano Bags – 4.4 lb (2 kg) – Smaller pieces for nano tanks
Available per pound too

Why You’ll Love It
✓ Vibrant jet-black coloration that pops underwater
✓ Smooth glazed surface with intricate natural patterning
✓ Complements greenery, mosses, and driftwood beautifully
✓ Enhances depth and contrast for dramatic scapes
✓ Ideal for both aquariums and terrariums

Design Tip
Pair Black Venom Nano Boulders with Heaven Sand and fine gravels for layered, high-impact compositions. Tilt and stack stones at varied angles to mimic natural erosion for a cinematic, textured layout.

Specs & Care
Stone Type: Igneous
Color: Deep grey to pitch-black underwater
Texture: Smooth surface with intricate natural formations
Size Range: 2"–15" (5–38 cm)
Effect on Water: May slightly increase pH and hardness
Rinse thoroughly before use. Place stones over substrate or LandForms for stability. Secure stacked rocks with ScapeBound adhesive. Leave space from glass panels for easier maintenance.

Safe for all fish, shrimp, and plants.