Black FridayDealsBuying guidesBrandsStoresFlight dealsHotel dealsResearchTermsPrivacydeal.ai apps
Black Friday 2026:WalmartBest BuyTargetTVsLaptopsHeadphonesAppleGamingVacuumsKitchenToysSmartwatchesTabletsFurnitureMattresses

© Deal.ai Inc.

BrowseBrowse deal.ai
Deal.ai › Red Sea
Red Sea
Red Sea REEFER 300 G3 Deluxe - White (Incl. 2 X RL115 & Mounting Arms)

Red Sea REEFER 300 G3 Deluxe - White (Incl. 2 X RL115 & Mounting Arms)

Where to buy

No store is showing a current price right now. The stores below sell it; ask the agent to check today's prices.

Prices are checked against each store and labelled with when.

Check today's price at Matt's Corals

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Red Sea REEFER 300 G3 Deluxe - White (Incl. 2 X RL115 & Mounting Arms) prices at every store

  • Matt's CoralsCheck price at Matt's Corals

About the Red Sea REEFER 300 G3 Deluxe - White (Incl. 2 X RL115 & Mounting Arms)

Red Sea REEFER 300 G3 Deluxe - White (incl. 2 X RL115 & arms)

The Red Sea REEFER™ 300 G3 Deluxe Version is the perfect system for hobbyists seeking a wider, more dramatic view of their reefscape. With a substantial total volume of 79.3 gallons and a greater depth (width) of 22.6 inches, this rimless aquarium provides ample space for complex coral placement and deeper aquascapes.

Built on the G3 platform, the REEFER 300 is quiet, high-performing, and seamlessly compatible with the Red Sea smart ecosystem, all controlled via the ReefBeat™ App.

G3 Key Features

ReefLED G2 115 Lighting: The Deluxe version includes the high-performance ReefLED G2 115 LED lighting unit and its custom mounting arm. This light offers a tunable, reef-safe spectrum optimized for coral growth and vibrant coloration, all controllable via the ReefBeat App.

Integrated ReefATO+ System: The G3 models include the cutting-edge, app-controlled ReefATO+ as standard. This highly reliable 3-in-1 smart device ensures:

Stable Salinity via a precise Auto Top-Off system (solid-state sensor).

Accurate digital Temperature Monitoring.

Highly sensitive Leak Detection (titanium probes).

Next-Level Water Management: The plumbing system is fully redesigned for superior quietness and efficiency.

ReefGate™ High-Precision Valve: A bespoke gate valve on the main downpipe allows for minute, easy adjustments, guaranteeing stable water levels and achieving near-silent operation.

Optimized Hydrodynamics: Improved internal piping delivers up to 50% more water circulation while maximizing your return pump's efficiency.

Rimless, Ultra-Clear Glass: Enjoy vibrant, distortion-free viewing of your reef through thick, beveled-edge glass, engineered for a modern, sleek look.

ReefMat-Ready Sump: The professional REEF-SPEC glass sump features a dedicated mechanical filtration compartment perfectly sized for plug-and-play installation of a Red Sea ReefMat automatic fleece roller filter (sold separately) or standard filter cups/media.

Fortified Cabinet: A sleek, marine-spec cabinet constructed from extra-fortified laminated plywood with leveling feet ensures long-term stability and moisture resistance.

Assembly-Ready Plumbing: Includes all pre-cut, quick-connect piping, eliminating the need for messy gluing or cutting during setup.

REEFER 300 G3 Specifications

Feature

Display Tank Volume

65 Gallons

In-Cabinet Sump Volume

15 Gallons

More from Red Sea

  • R
    ReefLED G2 115 LED Light Fixture
    ReefLED G2 115 LED Light Fixture
All Red Sea deals and products →

Total System Volume

79.3 Gallons