Red Sea Reefer S-700 G3

Red Sea REEFER S-700 G3 – Premium Large-Format Reef System

The Red Sea REEFER S-700 G3 is a top-tier, large-format reef system designed for advanced hobbyists who want exceptional clarity, professional-grade stability, and a commanding display presence. With a 185-gallon (700 L) ultra-clear rimless display and a total system volume of over 215 gallons (800+ L) including the sump, the S-700 G3 offers expansive space for complex aquascaping, high coral density, and long-term growth.

This model is constructed with ultra-clear, low-iron glass up to 19 mm thick, ensuring true-to-life colour accuracy and unparalleled visual depth. The marine-spec plywood cabinet reinforced with an internal aluminum bracing frame provides superior stability, humidity resistance, and long-term durability — ideal for large reef installations or high-end residential displays.

The G3 series upgrades feature hydrodynamically optimized dual return outlets, a high-capacity overflow system, and a precision downflow valve, ensuring hushed operation and stable water movement. The oversized REEF-SPEC sump features a large mechanical filtration zone, media chamber, refugium section, skimmer bay, and pump corridor — giving you complete flexibility for advanced filtration setups, roller mats, reactor loops, UV sterilizers, and high-output pumps.

Perfect for LPS, SPS, mixed reefs, or high-biomass coral systems, the REEFER S-700 G3 delivers premium performance, structural reliability, and modern aesthetics for serious reef keepers.

Technical Specifications