AquaOne OPTI CLEAR CUBE TANKS 40CM
The OPTI CLEAR CUBE TANKS 40CM is a premium aquarium tank designed for clear, spacious aquatic environments. Ideal for both beginners and experienced aquarists, this tank offers excellent visibility and stability.
Key Features
- Dimensions: 40cm (length) x 20cm (width) x 30cm (height)
- Material: High-strength, tempered glass
- Weight: 25 kg
- Seal Type: Screw-on lid with gasket
- Water Capacity: 120 liters
Specifications
| Parameter | Value |
|---|---|
| Dimensions | 40cm x 20cm x 30cm |
| Water Capacity | 120 liters |
| Material | Tempered glass |
| Weight | 25 kg |
| Lid Type | Screw-on with gasket |
FAQ
Is the tank suitable for both freshwater and saltwater fish?
The OPTI CLEAR CUBE TANK is designed for freshwater use. It is not recommended for saltwater environments due to material compatibility and structural limitations.
Can the tank be placed in a room with direct sunlight?
Yes, the tank can be placed in a room with direct sunlight. However, prolonged exposure may affect water temperature and algae growth. Use a UV filter or shade if needed.
Does the tank come with a filter or heater?
No, the tank does not include a filter or heater. These accessories must be purchased separately.

Dan Underwood –
The tank arrived quickly and looks exactly as described. The glass is very clear and the build feels solid. I’ve been using it for two months and the water clarity remains excellent. Easy to set up and the lid fits tightly. Only downside is the weight, which requires a sturdy stand.
Trevor Paterson –
Great size for a small aquarium. The tank is easy to clean and the edges are smooth. I noticed a slight noise when the lid is screwed on, but it’s not disruptive. Would recommend for beginners who want a clean, modern look.
Gabrielle Powell –
I bought this for my office desk. The transparency and design make it stand out. It holds water well and doesn’t leak. The dimensions fit perfectly in the space I had. Very satisfied with the quality and delivery.