The Red Sea REEFER MAX S-850 G3 850L stands at the top of Red Sea’s flagship S-Series range, delivering unmatched performance, capacity, and design for professional reef enthusiasts. Combining precision engineering with intelligent automation, this fully equipped plug and play system offers everything needed to build a spectacular, thriving reef aquarium.
Constructed from ultra-clear glass with a heavy-duty aluminium frame, the REEFER MAX S-850 G3 850L ensures maximum strength, durability, and flawless clarity. The high-quality marine-grade cladding, available in black or white, provides a modern, elegant finish that enhances any interior setting. With a total system volume of approximately 850 litres (224 gallons), this aquarium offers generous space for complex aquascaping, coral colonies, and active marine life.
The integrated sump has been meticulously designed for silent operation, excellent water flow, and effortless maintenance. The S-850 G3 comes fully equipped with Red Sea’s advanced smart reefing technology, making it one of the most complete and sophisticated systems available. Included are the ReefLED G2 lighting units for full-spectrum illumination, the ReefRun DC return pump for efficient and adjustable flow, the ReefMat automatic roller filter for maintenance-free mechanical filtration, the REEFER DC Skimmer for superior nutrient control, and the ReefATO+ automatic top-off system for precise water level management.
All key components are connected through the ReefBeat App, giving you full smart control over lighting, flow, and filtration directly from your phone or tablet. This integrated system provides exceptional stability, energy efficiency, and convenience, ensuring your reef remains healthy and visually stunning at all times.
Designed for serious aquarists and professionals, the REEFER MAX S-850 G3 combines cutting-edge technology, superior construction, and timeless aesthetics — offering a complete reef-keeping experience like no other.
Fully equipped plug and play reef system with professional-grade components
Ultra-clear glass with reinforced aluminium frame for strength and clarity
Total system volume: approx. 850L / 224 gallons
Smart system control via the ReefBeat App
Includes ReefLED G2 lighting, ReefRun DC return pump, ReefMat roller filter, REEFER DC Skimmer, and ReefATO+
Marine-grade cabinet in black or white finish
Silent operation with energy-efficient performance
Ideal for large, advanced reef aquariums and SPS-dominant systems
The Red Sea REEFER MAX S-850 G3 combines elegance, intelligence, and power, offering an exceptional, ready-to-run reef system designed to deliver professional results with minimal effort.
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Great experience and knowledgeable owner would recommend
Matthew Fairhurst
2024-11-05
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What a hidden Gem this place is! Lots of choice and the staff are very knowledgable with regards to answering any questions! They really do go above and beyond to help out!! Definately think I’ve found my new home with regards to anything aquatic!! Thanks guys!
Dave Hilton
2024-11-05
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WOW What a place! Everything you could ask for in 1 place. Staff very knowledgeable and no rush to sell you things you don’t need. Will be returning again and again.
Thomas Riley
2024-11-04
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Amazing shop great selection of coral fish and dry goods. Staff couldn't be more helpful...well worth a visit. Opening day was a great event well done ireef team the shop looks great 😁
elliott
2024-11-03
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Very nice shop
marzed hameed
2024-11-03
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Very clean shop . Fishes and corals are healthy .
Keara Morgan
2024-11-03
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Great experience at IReef all staff made us feel so welcome, nothing was too much trouble. Would highly recommend. The layout of the shop is great to.
Daniel Morgan
2024-11-03
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Attended ireefs opening day and was optimistic as to what would be on offer. From the moment of stepping through the door I was greeted with a fantastic shop that has everything on offer from a lot of brands to the knowledge of staff. Will definitely use them over and over again.
