The Red Sea REEFER S-1000 G3 is part of Red Sea’s third-generation line of reef-ready aquariums. The “G3” series introduces improved plumbing, stronger glass, and better integration with smart control systems like ReefBeat.
The “S-Series” designates larger, deeper tanks compared to the standard REEFER models, offering more aquascaping and swimming space.

The white version features sleek, dark cabinetry and trim for a modern, professional look that suits most interiors.
When sold as a “complete system” or “plug-and-play” package, it includes key components like the sump, plumbing, auto top-off, and sometimes lighting and return pumps — depending on the retailer.

• Display tank dimensions: Approximately 79.1" long × 30" wide × 25.6" high, providing a large, panoramic viewing area ideal for extensive coral reefs and larger marine species.

• Display volume: About 211 gallons of usable display water volume.

• Total water volume: Roughly 264 gallons, including sump and all plumbing.

• Sump capacity: Around 53 gallons, featuring multiple compartments, an adjustable skimmer chamber, and a refugium-ready design that supports advanced filtration setups.

• Glass thickness: 19 mm (¾ inch) ultra-clear, low-iron glass with polished, beveled edges for premium clarity and durability.

• Stand height: Approximately 60 inches, ensuring a grand, gallery-style display presence.

• Cabinet construction: Built from marine-spec laminated plywood combined with a heavy-duty aluminum super-structure for exceptional strength, moisture resistance, and long-term stability.

• Finish: Sleek black exterior with a refined, minimalist look that complements modern interiors.

• Bracing: Fully euro-braced top and bottom for superior rigidity and glass panel support on this large-format tank.

• Overflow and plumbing: Equipped with a low-profile central overflow box, dual side-facing return outlets, and pre-plumbed, ready-to-assemble piping featuring Red Sea’s “ReefGate” precision valve for ultra-quiet, finely tuned flow control.

• Filtration compatibility: The sump is ReefMat-ready and optimized for use with Red Sea’s DC skimmers, media reactors, and automatic fleece filters.

• Auto top-off system: Includes the intelligent ReefATO+, which monitors and maintains water level, detects leaks, and measures temperature for enhanced reliability.

• Electronics management: Integrated slide-out control panel for neat organization of controllers, power bricks, and cabling.

• App integration: Fully compatible with the ReefBeat ecosystem, allowing centralized smart control and automation of Red Sea devices such as lights, skimmers, and return pumps.

• Warranty: Includes a 3-year standard warranty, extendable to 5 years upon product registration with Red Sea.