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.
- L × W × H
- 71"×27"×26"
- Stand interior width
- 21.4"
- Net (display) volume
- 180 gal (680 L)
- Gross volume
- 225 gal (850 L)
- Thickness
- 19 mm
- Drilled
- Yes
- Sump compatible
- Yes
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 Red Sea REEFER-S 850 G3?
Net volume: 180 gal (680 L). Dimensions: 71"×27"×26". Glass: 19 mm. Drilled: Yes.
How much does the Red Sea REEFER-S 850 G3 cost?
The Red Sea REEFER-S 850 G3 starts around $6,999, though prices vary by retailer — see current offers on this page.
What equipment do I need for the Red Sea REEFER-S 850 G3?
Based on its volume and footprint, the Red Sea REEFER-S 850 G3 calls for a return pump rated ≈1,427 gph, a skimmer rated for 271 gal, lighting that covers a 70.9" footprint. Add it to a build on ReefPicker to see every matching part checked against it.