{"product_id":"red-sea-reefer-g2-300-complete-system-black-300l","title":"Red Sea Reefer G2+ 300 Complete System black - 300L","description":"\u003cp\u003e\u003cstrong\u003eA modular reef foundation in a black cabinet, not a finished tank.\u003c\/strong\u003e The Red Sea REEFER 300 G2+ (black) is a 300 L reef-ready system — display aquarium, cabinet, in-cabinet sump and plumbing, plus Red Sea's ReefATO+ top-off controller — built for reefers who want to fit their own skimmer, return pump and lighting rather than buy them bundled in.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRimless, ultra-clear glass\u003c\/strong\u003e — clean, distortion-free viewing, framed by a black cabinet that disappears against most rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn-cabinet glass sump\u003c\/strong\u003e — mechanical filtration and future equipment space stay out of sight instead of crammed behind the tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReefATO+ automatic top-off controller\u003c\/strong\u003e — keeps salinity stable between top-ups without manual dosing (a reservoir for the top-off water is not included — see below).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-assembly cabinet in Black or White\u003c\/strong\u003e — flat-packed for delivery, built on site to match your fitout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlumbing already run\u003c\/strong\u003e — outlet nozzle and bulkheads are fitted, so there's no drilling glass or gluing pipe on install day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA modular platform\u003c\/strong\u003e — add your own protein skimmer, return pump and lighting to suit your budget and reef, rather than paying for equipment fitted at the factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's included, and what you'll still need\u003c\/h3\u003e\n\u003cp\u003e\"Complete\", \"system\" and \"kit\" get used loosely in this category, so here's the REEFER G2+ 300 spelled out exactly.\u003c\/p\u003e\n\u003ch4\u003eWhat's included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRimless, ultra-clear glass display aquarium\u003c\/li\u003e\n\u003cli\u003eSelf-assembly cabinet, in the colour ordered\u003c\/li\u003e\n\u003cli\u003eIn-cabinet glass sump with mechanical filtration compartment\u003c\/li\u003e\n\u003cli\u003eInternal overflow and plumbing kit with outlet nozzle and bulkheads\u003c\/li\u003e\n\u003cli\u003eReefATO+ automatic top-off controller, sensor and pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat you'll still need\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eA \u003ca href=\"\/collections\/sw-protein-skimmers\"\u003eprotein skimmer\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eA \u003ca href=\"\/collections\/sw-return-water-pumps\"\u003ereturn pump\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/sw-lighting\"\u003eAquarium lighting\u003c\/a\u003e and a mounting arm\u003c\/li\u003e\n\u003cli\u003eA \u003ca href=\"\/collections\/heating-cooling\"\u003eheater and thermostat\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAn ATO reservoir — a container for the top-off water. The ReefATO+ controller, sensor and pump are included; the reservoir itself is not.\u003c\/li\u003e\n\u003cli\u003eLive rock, substrate and livestock\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eREEFER 300 G2+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColour\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConfiguration tier\u003c\/th\u003e\n\u003ctd\u003eREEFER (base) — below REEFER MAX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGeneration\u003c\/th\u003e\n\u003ctd\u003eG2+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay volume\u003c\/th\u003e\n\u003ctd\u003e246 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal system volume (display + sump)\u003c\/th\u003e\n\u003ctd\u003e300 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSump volume\u003c\/th\u003e\n\u003ctd\u003e54 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay tank dimensions (L x W x H)\u003c\/th\u003e\n\u003ctd\u003e90 x 57.5 x 55 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal system height (tank + cabinet)\u003c\/th\u003e\n\u003ctd\u003e142 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGlass\u003c\/th\u003e\n\u003ctd\u003e12 mm, ultra-clear, rimless (front, side and bottom panes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApprox. filled weight (Red Sea figure, incl. water)\u003c\/th\u003e\n\u003ctd\u003e470 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eSaltwater \/ reef\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhich REEFER G2+ size do I need?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eDisplay volume\u003c\/th\u003e\n\u003cth\u003eTotal system volume\u003c\/th\u003e\n\u003cth\u003eSump volume\u003c\/th\u003e\n\u003cth\u003eDisplay tank (L x W x H)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eREEFER G2+ 250\u003c\/td\u003e\n\u003ctd\u003e203 L\u003c\/td\u003e\n\u003ctd\u003e245 L\u003c\/td\u003e\n\u003ctd\u003eapprox. 42 L (Red Sea's international spec table; some Australian listings show 46 L, so check with us if your setup depends on the exact figure)\u003c\/td\u003e\n\u003ctd\u003e90 x 50 x 53 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eREEFER G2+ 300\u003c\/td\u003e\n\u003ctd\u003e246 L\u003c\/td\u003e\n\u003ctd\u003e300 L\u003c\/td\u003e\n\u003ctd\u003e54 L\u003c\/td\u003e\n\u003ctd\u003e90 x 57.5 x 55 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eREEFER G2+ 350\u003c\/td\u003e\n\u003ctd\u003e273 L\u003c\/td\u003e\n\u003ctd\u003e342 L\u003c\/td\u003e\n\u003ctd\u003e69 L\u003c\/td\u003e\n\u003ctd\u003e120 x 50 x 53 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAll three sizes share the same construction, the same ReefATO+ controller, and the same exclusions above. The difference is footprint and volume — measure your space and stocking plans against the table rather than the litre number alone, since a longer, shallower 300 footprint suits a different room than a deeper one at a similar volume.\u003c\/p\u003e\n\n\u003ch3\u003eREEFER G2+ vs REEFER MAX — what's the difference?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eIncluded as standard\u003c\/th\u003e\n\u003cth\u003eREEFER G2+\u003c\/th\u003e\n\u003cth\u003eREEFER MAX\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay aquarium, cabinet, sump and plumbing\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReefATO+ auto top-off controller\u003c\/td\u003e\n\u003ctd\u003eYes (reservoir not included)\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtein skimmer\u003c\/td\u003e\n\u003ctd\u003eNo — sold separately\u003c\/td\u003e\n\u003ctd\u003eYes, fitted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn pump\u003c\/td\u003e\n\u003ctd\u003eNo — sold separately\u003c\/td\u003e\n\u003ctd\u003eYes, fitted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAquarium lighting\u003c\/td\u003e\n\u003ctd\u003eNo — sold separately\u003c\/td\u003e\n\u003ctd\u003eYes, fitted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe MAX range is Red Sea's fully-equipped tier — you unbox it closer to reef-ready. The REEFER G2+ range on this page is the modular tier: the tank, cabinet, sump and plumbing are Red Sea's, and you choose your own skimmer, pump and light. Neither is \"better\" — G2+ suits reefers who already own equipment or want to choose their own; MAX suits a from-scratch build on a set budget.\u003c\/p\u003e\n\n\u003ch3\u003eGeneration and version notes\u003c\/h3\u003e\n\u003cp\u003eThis is the REEFER \u003cstrong\u003eG2+\u003c\/strong\u003e generation. G2+ added Red Sea's ReefATO+ auto top-off controller as standard over the earlier G2. Red Sea's current flagship reef system range is the newer REEFER G3 series; G2+ remains an established, fully supported platform and is not being discontinued by us as a listing — if generation compatibility with a specific accessory matters for your build, ask us to confirm before you order.\u003c\/p\u003e\n\n\u003ch3\u003eWeight, floor loading and delivery\u003c\/h3\u003e\n\u003cp\u003eRed Sea's own documentation lists the REEFER 300 G2+ at approximately 470 kg once filled with water — this does not include substrate, rock or equipment, which typically add further weight.\u003c\/p\u003e\n\u003cp\u003eRed Sea states the flooring beneath the system must be rated to support this weight, but does not publish a per-square-metre figure. As with any aquarium system over 200 L, we recommend confirming your floor's load capacity with a qualified professional before installation, particularly upstairs or on an older floor. This ships on a pallet due to its size and weight — contact us for delivery details for your address before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for: reefers who want Red Sea's tank, cabinet, sump and plumbing but plan to choose their own skimmer, return pump and lighting; upgraders moving out of an all-in-one nano system into a larger, modular reef setup.\u003c\/p\u003e\n\u003cp\u003eNot suitable for: anyone wanting a single-box, plug-and-play system with equipment fitted from the factory — see REEFER MAX above for that. Not supplied with a heater, and not reef-ready to add livestock straight out of the box; it needs its remaining equipment, cycling and testing first.\u003c\/p\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eRed Sea's standard warranty on the glass aquarium and cabinet is 3 years from purchase, extendable to 5 years at no extra cost if you register within 90 days at Red Sea's own registration site — Australia is an eligible country for this extension. This is in addition to your rights under Australian Consumer Law. Freight for this item is oversize; contact Nick's Aquarium Oceanarium Terrarium for a delivery quote before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/sw-protein-skimmers\"\u003eProtein skimmers\u003c\/a\u003e sized to your total system volume, not just the display volume\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/sw-return-water-pumps\"\u003eReturn pumps\u003c\/a\u003e — check the pump's curve at your plumbing's head height, not just its rated flow\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/sw-lighting\"\u003eReef lighting\u003c\/a\u003e to suit your display tank's footprint and coral mix\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/red-sea-1\"\u003eThe wider Red Sea range\u003c\/a\u003e for salt, test kits and dosing to match this system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eDoes the REEFER 300 G2+ include a protein skimmer, pump or light?\u003c\/h4\u003e\u003cp\u003eNo. The REEFER G2+ range includes the tank, cabinet, in-cabinet sump, plumbing and the ReefATO+ top-off controller only. Skimmer, return pump and lighting are sold separately, so you can choose the equipment that suits your reef and budget.\u003c\/p\u003e\u003ch4\u003eWhat's the difference between REEFER G2+ and REEFER MAX?\u003c\/h4\u003e\u003cp\u003eREEFER MAX is Red Sea's fully-equipped tier: it ships with a protein skimmer, return pump and lighting fitted. REEFER G2+, the range on this page, is the modular tier — the tank, cabinet, sump and plumbing are included, and you fit your own equipment.\u003c\/p\u003e\u003ch4\u003eIs the ReefATO+ top-off reservoir included?\u003c\/h4\u003e\u003cp\u003eThe ReefATO+ controller, sensor and pump are included and fitted. The physical reservoir that holds the top-off water is not included — Red Sea's own documentation states the REEFER G2+ range does not ship with a top-off reservoir.\u003c\/p\u003e\u003ch4\u003eWill my floor support a filled REEFER 300 G2+?\u003c\/h4\u003e\u003cp\u003eRed Sea states the floor beneath a filled REEFER 300 G2+ must support approximately 470 kg — this does not include substrate, rock or equipment. Get a qualified professional to confirm your specific floor before installing any aquarium system over 200 L, especially on an upper storey or an older structure.\u003c\/p\u003e\u003ch4\u003eIs REEFER G2+ the newest Red Sea Reefer generation?\u003c\/h4\u003e\u003cp\u003eNo — Red Sea's current flagship line is the newer REEFER G3 series. G2+ is the previous generation and remains a well-established, fully supported platform; it is not being withdrawn from our range.\u003c\/p\u003e\n","brand":"RedSea","offers":[{"title":"Default Title","offer_id":55242248880419,"sku":"AA3207","price":2800.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/red-sea-reefer-g2-300-complete-system-black-300l-3002105-1600.jpg?v=1781836268","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/red-sea-reefer-g2-300-complete-system-black-300l","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}