
The full sheet — every number we check a build against.
- L × W × H
- 18"×11"×11"
- Net (display) volume
- 6.6 gal (25 L)
- Gross volume
- 9.2 gal (35 L)
- Thickness
- 5 mm
- Drilled
- No
- Sump compatible
- No
Where to get it
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Volume drives skimmer rating, return-pump turnover, and light footprint. Picking this tank sets a target of:
We'll check every part you add against these targets.
In the same class
Frequently asked
What are the key specs of the Ultum Nature Systems 45A Dual?
Net volume: 6.6 gal (25 L). Dimensions: 18"×11"×11". Glass: 5 mm. Drilled: No.
How much does the Ultum Nature Systems 45A Dual cost?
The Ultum Nature Systems 45A Dual costs around $187. Retailers price it differently, and ReefPicker lists the offers it has for your region on the Ultum Nature Systems 45A Dual product page.
What equipment do I need for the Ultum Nature Systems 45A Dual?
Based on its volume and footprint, the Ultum Nature Systems 45A Dual calls for a return pump rated ≈53 gph, a skimmer rated for 13 gal, lighting that covers a 17.7" footprint. Add it to a build on ReefPicker to see every matching part checked against it.



