Basalt Set

Basalt – 5-Piece Aquarium Rock Set for Unique, Stackable Aquascapes
Create bold, natural underwater landscapes with the Basalt 5-Piece Aquarium Rock Set—angular, interlocking rocks molded from real stone. Each piece varies in size and shape, with sharp-looking edges that naturally “lock” together for endless layout possibilities. Though rugged in appearance, the surfaces are smooth and completely safe for aquatic life.

Lightweight yet designed to sink, these hollow rocks include embedded pebbles for stability. They’re easy to place, reposition, and won’t scratch your tank like real stone might.

What’s Included:
• 5 × Hollow, Stackable Aquarium Rocks (each uniquely shaped)

Designed for Flexibility:
• Molded from real rock for authentic texture and detail
• Sharp angles allow pieces to interlock naturally
• Hollow and lightweight with embedded pebbles to ensure they sink
• Safe for both freshwater and saltwater aquariums
• Will not affect water chemistry or scratch tank surfaces

Pro Tips (not included):
• Stack and rotate to create caves, ledges, or natural shelters
• Pair with plants, driftwood, or backgrounds for a cohesive look
• Rinse before use—no curing required

Why Choose the Basalt Aquarium Rock Set?
From first-time aquascapers to experienced hobbyists, this set brings creativity and realism to any aquarium.
• Fun and easy to rearrange—like underwater building blocks
• Non-toxic and built to last
• Ideal for fish that enjoy hiding, resting, or exploring

Color Options:
• Brown – Warm and earthy
• Grey – Classic and natural
• Castle Rock – Weathered grey with subtle tan accents
• Black – Bold and dramatic

Shipping:
Free shipping to the lower 48 states. Start your aquascape with no added costs.

Basalt Set Dimensions (All measurements are approximate)

These rocks are durable and easy to maintain:

• Rinse before first use—no curing required

• Power wash or scrub with a wire brush if needed

• Avoid soaps or chemicals to protect aquatic life

• Safe for long-term use—won’t degrade, leach, or discolor

Simple care. Long-lasting performance.

• • It is not advisable to jump off these waterfalls.