3D Knotted Root aquarium background made from 100% PU, featuring a realistic structure inspired by intertwined natural roots. The precut background measures approximately 58.4 × 50.8 × 7.6 cm and is suitable for aquariums and terrariums.
3D Aquarium Background Knotted Root
Create an impressive natural-looking environment with the 3D Knotted Root aquarium background. Its detailed relief recreates a complex structure of intertwined roots and branches, adding visual depth and turning the back of the aquarium into a nintegral part of the overall aquarium decoration.
Unlike a standard flat background, the three-dimensional design creates different levels, shadows and textures. This gives the aquarium a more natural appearance and provides an excellent foundation for creating a detailed aquascape.
100% PU Construction
The Knotted Root background is made from 100% PU (polyurethane) according to the product information provided by the manufacturer.
The PU construction allows the background to reproduce the complex three-dimensional root structure while maintaining its decorative shape.
The manufacturer describes the product as water safe and pet safe, making it intended for use in aquatic and terrarium environments.
Realistic Knotted Root Design
The Knotted Root design features numerous intertwined roots with different shapes and thicknesses. The detailed surface creates a natural-looking background that works particularly well with planted aquariums and aquascaping projects.
The dark, textured appearance provides a strong visual foundation for combining the background with aquarium plants, mosses, rocks, driftwood and other decorative elements.

Ideal for Aquascaping
This 3D aquarium background is an excellent choice when you want to create a strong natural effect in your aquarium. The detailed relief can be combined with live plants, mosses, rocks and other hardscape elements.
Plants can be positioned in front of or around the background to create additional depth and a more integrated underwater landscape.
The Knotted Root design is particularly suitable for natural, forest-inspired and tropical aquascaping layouts.
Precut Size
The background is supplied in a precut size of:
23 × 20 × 3 inches
Approximately:
58.4 × 50.8 × 7.6 cm
The 7.6 cm dimension represents the maximum depth of the relief, so the available space inside the aquarium should be considered before installation.
Because of its three-dimensional construction, it is important to check both the width and height of the aquarium as well as the space available behind the foreground hardscape.
Main Features
- 3D aquarium background
- Knotted Root design
- Made from 100% PU
- Realistic intertwined root structure
- Detailed three-dimensional relief
- Creates visual depth in the aquarium
- Precut design
- Suitable for aquariums and terrariums
- Water safe according to the manufacturer
- Pet safe according to the manufacturer
- Suitable for aquascaping projects
- Can be combined with plants, mosses, rocks and other hardscape elements
| Specification |
Details |
| Product type |
3D Aquarium Background |
| Design |
Knotted Root |
| Material |
100% PU |
| Dimensions |
23 × 20 × 3 in |
| Dimensions in cm |
Approx. 58.4 × 50.8 × 7.6 cm |
| Design style |
Intertwined roots |
| Format |
Precut |
| Suitable for |
Aquariums and terrariums |
| Water safe |
Yes, according to manufacturer |
| Pet safe |
Yes, according to manufacturer |
How to Use the 3D Aquarium Background
Before installation, measure the inside dimensions of your aquarium and make sure that the background fits the available space.
Take the three-dimensional relief into account when planning the layout, as the background occupies considerably more space than a standard flat aquarium background.
Consider the position of your filter, heater, pipes and other aquarium equipment before fixing the background permanently.
If permanent installation is required, use an aquarium-safe silicone or adhesive suitable for the material and follow the manufacturer's instructions for curing and use.
Create a Natural Aquascape
The 3D aquarium background can be used as the foundation of a complete natural-looking aquarium layout.
Combine it with:
- aquarium plants
- aquarium rocks
- aquarium driftwood
- mosses
- aquarium substrate
- suitable LED lighting
The combination of the three-dimensional root structure with plants and hardscape elements can create a much stronger sense of depth than a traditional flat background.
Important Information
The product information provided by the manufacturer specifies the material as 100% PU and describes the background as suitable for aquarium and terrarium use.
The product is supplied in a precut 23 × 20 × 3 inch format, equivalent to approximately 58.4 × 50.8 × 7.6 cm.
Always check the available space in your aquarium before ordering, particularly because the three-dimensional relief can extend approximately 7.6 cm from the mounting surface.