Waterbox AIO 20 CubeWaterbox
$290Start a build

Package includes
Filtration
Filter sock
Hardware
Return pump
Items included with the tank. Sump fit is treated as auto-pass when building with a package tank.
The full sheet — every number we check a build against.
Dimensions
- L × W × H
- 18"×18"×16"
Volume
- Net (display) volume
- 16 gal (62 L)
- Gross volume
- 20 gal (76 L)
Glass
- Thickness
- 6 mm
Filtration
- Drilled
- No
- Sump compatible
- No
What this tank locks in
Volume drives skimmer rating, return-pump turnover, and light footprint. Picking this tank sets a target of:
≈132 gph
turnover
rated for 26 gal
skimmer rating
covers a 17.7" footprint
lighting footprint
We'll check every part you add against these targets.
Similar tanks
In the same class
Frequently asked
What are the key specs of the Waterbox AIO 20 Cube?
Net volume: 16 gal (62 L). Dimensions: 18"×18"×16". Glass: 6 mm. Drilled: No.
How much does the Waterbox AIO 20 Cube cost?
The Waterbox AIO 20 Cube starts around $290, though prices vary by retailer — see current offers on this page.
What equipment do I need for the Waterbox AIO 20 Cube?
Based on its volume and footprint, the Waterbox AIO 20 Cube calls for a return pump rated ≈132 gph, a skimmer rated for 26 gal, lighting that covers a 17.7" footprint. Add it to a build on ReefPicker to see every matching part checked against it.



