REEFER 300 G2+ (Black)

REEFER 300 G2+ in Black by Red Sea Aquariums – Sleek, Silent, and Smart

The REEFER 300 G2+ in Black isn’t just another aquarium system—it’s the kind of setup hobbyists dream about. Built for reefers who want pro-grade features without DIY headaches, this tank blends style, silence, and rock-solid performance.

Ultra-Clear Glass of the REEFER 300 G2+ with a Rimless Finish

Enjoy an uninterrupted viewing area of your reef with ultra-clear, rimless glass panels. The beveled edges and thick 19 mm glass offer both durability and elegance.

• Rimless design keeps the aesthetic clean

• 19mm ultra-clear glass enhances visibility and strength

• Beveled edges deliver a premium, polished look

Marine-Spec Plywood Cabinet with Extra Reinforcement

This isn't your average stand. The laminated marine-spec cabinet includes front aluminum supports, matching the tank’s contour for a seamless visual flow and added stability.

• Waterproof, marine-grade laminate

• Reinforced front supports for long-term durability

• Color-matched to the tank’s sleek black finish

REEFER 300 G2+ - Dual Return Pump Outlets for Even Flow

The REEFER 300 G2+ now features dual side-facing return outlets, improving water distribution and eliminating dead spots.

• Dual outlets ensure consistent flow across the tank

• Ideal for SPS, LPS, and mixed reef layouts

• Compatible with most standard return pumps

Hidden Overflow Box with Surface Skimmer

The central overflow box does more than just hide plumbing—it houses a removable surface skimmer and supports quick-clean comb parts for easy maintenance.

• Central location minimizes visual clutter

• Surface skimmer boosts nutrient export

• Comb sections pop out for effortless cleaning

Silent, Adjustable Downflow System of the REEFER 300 G2+

The rectangular inlet and high-precision valve work together to regulate flow and keep things whisper quiet—yes, even with the pumps running.

• Rectangular inlet reduces turbulence

• Precision valve fine-tunes flow rate

• Virtually silent operation

Pre-Assembled, Glue-Free Piping System

Say goodbye to PVC glue. The assembly-ready piping includes quick connectors for stress-free installation.

• Pipes click together—no mess, no fuss

• Metric and US standard bulkhead options available

• Fully customizable sump connections

REEF-SPEC Sump with ReefMat & Refugium Options

The included sump isn’t just pro-level—it’s flexible. Add a ReefMat 500/1200 or a refugium—your choice, your setup.

• Includes removable filter cups and micron mesh

• Bubble trap prevents return pump microbubbles

• Adjustable skimmer chamber for full control

Equipment-Ready Chiller and Controller Chamber

Many G2+ models, including the REEFER 300, feature an extra rear chamber for your gear—perfect for a chiller, dosing pumps, or controller boards.

• Tuck away hardware for a clean look

• Ideal space for electrical and cooling gear

• Keeps sump area tidy and organized

Plug & Play with the ReefMat and RO Reservoir

Ready to upgrade? This system is plug-and-play compatible with the ReefMat 500/1200 and RO reservoir—no custom fitting needed.

Whether you're upgrading from a starter tank or building your dream reef from scratch, the REEFER 300 G2+ in Black delivers a premium experience from top to bottom—literally.

• Shop ALL Red Sea Brand products
• Shop ALL Aquarium Lighting products
• Check out our Dosing Pumps available!
• Wavemakers available!
• Check us out on Facebook!
• Check us out on Instagram!