Large Aquarium Tunnel & Cave (9.5" L), 3D Printed Substrate Viewer Fish Hideout with Wide Top Entrances, Tank Decor for Small Fish, Corydoras, Betta & Shrimp - Set with 3 Mini Accessories(Black)
US$9.60
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US$9.60
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by thebigdaybychai.com
Free 30-day returns Details
Product details
| Management number | 217938239 | Release Date | 2026/05/03 | List Price | US$9.60 | Model Number | 217938239 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- Large 9.5" Underground Viewing Tunnel [Upgraded Side-Flow Design] Measuring 9.5"L x 5.6"W x 3.1"H, this spacious hideout fits flush against the glass to create a unique "ant farm" cross-section view of your aquarium's underground world. New Upgrade: We’ve engineered a partial cutaway on the left pillar, creating a flow-through channel. This improves water circulation to prevent dead zones and offers an exclusive "side door" for shrimp and micro crabs to scuttle in and out freely.
- Inviting Top-Facing Entrances for Small Fish & Shrimp We specially designed the two large top-facing openings (up to 2.7" in diameter) to make the cave more inviting and accessible for your smaller aquatic pets. Traditional narrow, dark caves can be intimidating for tiny fish, but these spacious top-entry tunnels encourage them to swim down freely and discover a secure hideout. It creates a perfect stress-free sanctuary for small fish, shrimp, and fry to rest and play, effectively lowering their anxiety while remaining completely out of the way of the larger fish in your community tank.
- Complete 4-Piece Aquascape Bundle Instantly create a vibrant underwater scene! This set includes the 3D-printed tunnel plus 3 adorable miniature accessories: 1x Artificial Purple/Blue Plant (approx. 1.5"), 1x Yellow Starfish, and 1x Translucent Blue Turtle Figurine. Place the starfish on the internal sand bed or the turtle on the tunnel roof to add a playful touch to your natural rock aesthetic.
- Realistic Sedimentary Rock Texture & Safe Material Made from high-quality, aquarium-safe 3D printed material (weighing approx. 6 oz / 170g). The bone-white surface features a layered, sedimentary rock texture that mimics nature and provides surface area for beneficial bacteria. All edges are smoothed for the safety of soft-skinned species like Loaches and Axolotls.
- Substrate-Secured Installation (No Floating) Designed to be buried. While lightweight (6 oz), the structure is engineered to be weighed down by your gravel, sand, or clay pebbles. Simply place it against the glass, pile your substrate over the roof (leaving the chimneys open), and it stays firmly in place. Perfect for creating a hidden "basement" in freshwater tanks without displacing water volume.
| Size | Large |
|---|---|
| Color | Obsidian Stone |
| Style | Art Deco |
| Theme | Nature And Outdoors |
| Brand Name | CT SUN |
| Item Depth | 5.6 INCHES |
| Finish Types | Textured |
| Manufacturer | CTSUN |
| Model Number | CTSUN-3DP-TUNNEL |
| Material Type | Plastic |
| Mounting Type | Floor Mount |
| Number of Items | 4 |
| Additional Features | Upgraded Side-Flow Design, Inviting Top-Facing Entrances, Realistic Sedimentary Rock Texture, Aquarium-Safe 3D Printed Material |
| Included Components | Large Size 3D Printed Tunnel Cave Hideout, Mini Artificial Plant, Mini Blue Turtle Figurine, Mini Yellow Starfish Decor |
| Manufacturer Part Number | CTSUN |
| Item Dimensions D x W x H | 5.6"D x 9.5"W x 3.1"H |
| Product Care Instructions | Gently rinse with water and allow to dry before replacing in the tank. |
| Recommended Uses For Product | Home, Table |
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