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Waterbox AIO 50.3Waterbox
Reef aquarium

AIO 50.3

by Waterbox

Mid-size all-in-one with filtration, overflow and return integrated inside a 50-gallon rimless tank — no external sump required.

EntryPackageAll-in-oneAll-in-one tank — filtration is built into a rear chamber, no separate sump needed.
Net volume
42 gal (158 L)
Dimensions
35"×20"×18"
Glass
10 mm
Drilled
No
est. from$750
Package includes
Filtration
Filter sock
Filter media

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
35"×20"×18"
Volume
Net (display) volume
42 gal (158 L)
Gross volume
49 gal (186 L)
Glass
Thickness
10 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:

≈343 gph
turnover
rated for 59 gal
skimmer rating
covers a 35.4" footprint
lighting footprint

We'll check every part you add against these targets.

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Frequently asked

What are the key specs of the Waterbox AIO 50.3?

Net volume: 42 gal (158 L). Dimensions: 35"×20"×18". Glass: 10 mm. Drilled: No.

How much does the Waterbox AIO 50.3 cost?

The Waterbox AIO 50.3 starts around $750, though prices vary by retailer — see current offers on this page.

What equipment do I need for the Waterbox AIO 50.3?

Based on its volume and footprint, the Waterbox AIO 50.3 calls for a return pump rated ≈343 gph, a skimmer rated for 59 gal, lighting that covers a 35.4" footprint. Add it to a build on ReefPicker to see every matching part checked against it.