Reefer 170 G2+ System (33 Gal)

The Reefer 170 G2+ is a premium reef-ready 33-gallon system that combines ultra-clear rimless glass, a professional REEF-SPEC sump, and the all-new ReefATO+ smart system. Built with durability, flexibility, and simplicity in mind, the G2+ line gives reefers the freedom to customize their setup while providing industry-leading water management and design.

Key Features

• 33 Gallon Display / 44 Gallon Total Volume – compact footprint with pro-level features

• Ultra-Clear Rimless Glass – beveled edges, 3/8" front & bottom, 1/2" side glass

• Marine-Spec Cabinet – plywood construction, water-resistant finish, adjustable leveling feet

• ReefATO+ Smart System – 3-in-1 auto top-off, temperature monitor, and external leak detector (included)

• Central Overflow Box – with lid and removable weir comb for easy maintenance

• Silent Downflow System – high-precision valve for near-silent operation

• Professional REEF-SPEC Sump – micron filter socks & cups, adjustable skimmer chamber, bubble trap

• ReefMat Ready – plug & play with ReefMat 500/1200 auto filter rollers (sold separately)

• Assembly-Ready Plumbing – includes both metric and U.S. bulkhead fittings

Dimensions & Specs

• Display Tank Dimensions: 24"L × 20"H × 20"W

• Display Volume: 33 Gallons

• Sump Volume: 10 Gallons

• Total System Volume: 44 Gallons

• System Height: 54"

• Glass Thickness: 3/8" front & bottom, 1/2" sides

• ATO Pump Power: 6–10W

• ATO Pump Max Flow: 75 GPH

• ATO Pump Max Head: 8 ft

What’s Included

• Reefer 170 G2+ Aquarium (rimless ultra-clear glass)

• Marine-Spec Cabinet (finish options available)

• ReefATO+ Smart ATO System (ATO, temp monitor, leak detector)

• Central Overflow Box with Removable Weir Combs

• Professional REEF-SPEC Sump

• Micron Filter Socks & Filter Cups

• Bubble Trap & Adjustable Skimmer Chamber

• High-Precision Downflow Valve

• Assembly-Ready Plumbing Kit (Metric & U.S. fittings)