Aqua One ReefSys 326 Marine Tank
This marine aquarium is designed for enthusiasts who want a customizable and visually impressive underwater ecosystem. Constructed with high-quality low iron opti-clear glass, it offers excellent clarity and true color visibility, making it ideal for showcasing marine life.
- Modular sump design allows flexible setup with various equipment options
- Includes two adjustable baffles — one movable — to control water flow and reduce turbulence
- Equipped with low splash sock silencers to minimize noise and water splashing
- Overflow lid helps reduce algae growth in the overflow box and prevents fish from entering
| Dimensions | Capacity |
|---|---|
| 120L x 55D x 53CM H | 326L |
FAQ
Is this tank suitable for beginners in marine aquariums?
The modular design and adjustable baffles make it flexible for various setups, but proper knowledge of marine systems is still recommended for beginners.
Can the overflow lid be adjusted or removed?
Yes, the overflow lid is designed to be adjusted and helps control algae growth and prevents fish from entering the overflow box.
Is the glass resistant to scratches and damage?
The low iron opti-clear glass provides excellent clarity and is durable, though regular cleaning and care are advised to maintain surface condition.

Brandon Fisher –
The tank arrived in good condition and fits perfectly in my living room. The clarity of the glass is outstanding, and the adjustable baffles help maintain stable water flow. I’ve added a sump and filter, and the setup has been smooth so far.
Anne Walker –
I appreciate the modular design — it allows me to expand the system as my needs grow. The overflow lid has reduced algae buildup, which was a problem in my previous tank.
John Scott –
The dimensions match the space I had planned for. The sump setup is easy to modify, and the low splash socks have made the tank quieter. Great build quality and clear visibility.