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Red Sea REEFER 170 G3Red Sea
Reef aquarium

REEFER 170 G3

by Red Sea

Red Sea REEFER 170 G3 — compact third-generation REEF-SPEC system with updated silent overflow, ultra-clear glass, matching cabinet and sump; Red Sea's smallest G3 REEFER.

EntryPackageDrilled
Net volume
34 gal (128 L)
Dimensions
24"×20"×20"
Glass
10 mm
Drilled
Yes
est. from$1,699
Launched: 2025
Package includes
Furniture
Cabinet
Filtration
Sump
Plumbing
Overflow box
Hardware
ATO

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
24"×20"×20"
Stand interior width
16.5"
Volume
Net (display) volume
34 gal (128 L)
Gross volume
44 gal (165 L)
Glass
Thickness
10 mm
Filtration
Drilled
Yes
Sump compatible
Yes
What this tank locks in

Volume drives skimmer rating, return-pump turnover, and light footprint. Picking this tank sets a target of:

≈264 gph
turnover
rated for 53 gal
skimmer rating
covers a 23.6" 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 Red Sea REEFER 170 G3?

Net volume: 34 gal (128 L). Dimensions: 24"×20"×20". Glass: 10 mm. Drilled: Yes.

How much does the Red Sea REEFER 170 G3 cost?

The Red Sea REEFER 170 G3 starts around $1,699, though prices vary by retailer — see current offers on this page.

What equipment do I need for the Red Sea REEFER 170 G3?

Based on its volume and footprint, the Red Sea REEFER 170 G3 calls for a return pump rated ≈264 gph, a skimmer rated for 53 gal, lighting that covers a 23.6" footprint. Add it to a build on ReefPicker to see every matching part checked against it.