- Sku: R45501-USA
Red Sea REEFER S-850 G3+ Aquarium System (180 Gal)
The Red Sea REEFER S-850 G3+ is a reef-ready aquarium and cabinet system: a deep S-series aquarium (26.8 inches front to back) for spacious reefscapes, a marine-spec cabinet and a sump with ReefGate plumbing, ready for the lighting and equipment you choose. It holds 179.6 gallons in the display and 224.5 gallons in total. New for the G3+ generation, it includes the ReefControl Pro Controller and the ReefControl ATO Module.
This is a large aquarium system sold for in-store pickup only at our shop. Not in stock? We are glad to bring one in as a special order from Red Sea. Give us a call and we will get it set up for you.
Prefer to have it delivered? On this and our larger reef systems we can arrange direct curbside freight delivery to your location. Contact us before ordering for a freight quote to your address and we will coordinate the shipment for you.
What's New in G3+
- ReefControl built in: the ReefControl Pro Controller (supports up to 7 ReefSense probes and sensors plus two 12V DC devices) with the ATO Module, an automatic top-off with an integrated temperature monitor
- Redesigned flow system that Red Sea rates at up to 50% more water circulation
- ReefGate high-precision gate valve on the downflow pipe for easy flow adjustment and near-silent operation
- Enlarged rectangular downflow inlet that reduces turbulence for quieter running
- Removable surface skimmer in the central overflow box and improved return outlets
- Jet-black eurobracing plus a bottom brace on ultra-clear glass bonded with euro-silicone
What's Included
- REEFER S-850 G3+ aquarium in ultra-clear glass with jet-black eurobracing plus a bottom brace
- Marine-spec plywood cabinet (Black or White) with leveling feet, epoxy-painted doors and stainless steel hinges, on an anodized aluminum frame
- Sump, ReefMat ready, with an adjustable-height skimmer chamber and refugium-ready layout, plumbed with ReefGate piping
- ReefControl Pro Controller
- ReefControl ATO Module (auto top-off with integrated temperature monitor)
- 2 micron filter bags
- 2 filter media cups
- Slide-out Control Panel 60
Lighting, protein skimmer, return pump, wave pumps and ReefMat are not included, so you can choose the exact gear you want, or step up to the Red Sea REEFER MAX S-850 G3+ for Red Sea's complete matched package. Ask our team and we will help you spec the right equipment for this tank.
Specifications
| Display dimensions | 70.9"L x 26.8"W x 25.6"H (180 x 68 x 65 cm) |
| Overall height with cabinet | 60.2" (153 cm) |
| Display volume | 179.6 gallons |
| Sump volume | 44.9 gallons |
| Total system volume | 224.5 gallons |
| Glass thickness (front / side / bottom / back) | 0.75" / 0.75" / 0.75" / 0.75" |
| Bracing | Euro brace + bottom brace |
| Return outlets | 2x 32mm (Single or dual pump) |
| Sump water height | 7.9-11.2" |
| Skimmer chamber | 16.1" x 21.2" |
| Pump chamber | 14.1" x 11.8" |
| Refugium ready | Yes |
| Chiller ready | Yes |
| Controller | ReefControl Pro Controller |
| App control | Red Sea ReefBeat |
| Warranty | 3 years, extended to 5 years when registered with Red Sea within 90 days |
Choose Your Stand Color
The REEFER S-850 G3+ is available with a Black or White marine-spec cabinet. Select your color above.
Explore More
Compare the Red Sea REEFER MAX S-850 G3+ with the full equipment package, browse every Red Sea product, or shop our saltwater range for salt, rock and reef care.
Frequently Asked Questions
What comes with the REEFER S-850 G3+?
The aquarium, a marine-spec cabinet in your chosen color, the sump with ReefGate plumbing, the ReefControl Pro Controller, the ATO Module and micron filter bags. Lighting, skimmer, return pump, wave pumps and ReefMat are not included.
How is it different from the REEFER MAX S-850 G3+?
The REEFER MAX S-850 G3+ is the same aquarium and cabinet with Red Sea's full matched package added: ReefLED G2 lighting, a REEFER DC skimmer, a ReefRun G2 return pump, ReefWave pumps, a ReefMat roller, and the ReefControl Pro with a ReefSense pH/Temp probe.
What changed from the G3?
The G3+ adds the ReefControl controller and ATO Module, a redesigned flow system, the ReefGate gate valve on the downflow, a larger rectangular downflow inlet for quieter running, and a removable surface skimmer in the overflow.
Can I pick it up or have it delivered?
This system is set up for in-store pickup at our shop, and we can also arrange direct freight delivery to your location. Contact us for a freight quote before ordering. If it is not currently in stock we can bring one in as a special order.
Have a question?
Red Sea REEFER S-850 G3+ Aquarium System (180 Gal)
