Waterbox Aquariums - MARINE X 90.3
Overview
The Waterbox MARINE X 90.3 is a premium all-in-one reef system engineered for clarity, strength, and simplicity. Whether you're a beginner or seasoned reefer, this aquarium delivers professional-grade performance in a sleek, modern form factor. With ultra-clear glass, dual-drain plumbing, and a precision sump system, this setup is built for serious reefkeeping without the complexity.
Key Features
- Ultra-clear low-iron glass with 91% light transmittance
- Central overflow with dual return nozzles
- Silent main drain with precision gate valve
- Tool-free plumbing kit with quick-connect fittings
- Dual 4" filter sock sump system with RO reservoir
- Aluminum-framed marine-grade cabinetry
- Available in Black, White, or Aspen
Display Aquarium
Crafted with 12mm ultra-clear glass, the rimless design offers a high-end aesthetic with unobstructed views of your reef. Reinforced with high-strength black silicone, this tank is built for long-term durability. The rear overflow box includes a removable weir comb and dual adjustable return nozzles for maximum control and easy maintenance.
Included Sump System
- Dual 4" filter sock chambers (roller filter compatible)
- Oversized skimmer/media chamber
- Integrated RO reservoir for top-off systems
- Return pump section fits most DC/AC models
Smart Plumbing Design
Waterbox’s included plumbing kit simplifies installation and enhances long-term reliability:
- Quiet main drain with precision gate valve
- Emergency overflow for added safety
- Quick-connect fittings for fast, secure setup
- Dual return lines with adjustable nozzles
Cabinet Stand
The marine-grade cabinet is constructed with a powder-coated aluminum frame and moisture-resistant laminated wood panels. Designed for structural integrity, it includes:
- Push-to-open access doors
- Adjustable leveling feet
- Open-back design for airflow and cable management
Specifications
Aquarium:
- Dimensions: 35.4" L x 19.7" W x 21.7" H
- Display Volume: 59.3 Gallons
- Total Volume: 85 Gallons
- Glass Thickness: 12mm
- Transmittance: 91%
Sump:
- Dimensions: 31.5" L x 16.1" W x 15" H
- Volume: 31 Gallons
- Glass Thickness: 1/4"
- Skimmer Chamber: 15.3" x 13.5"
- Return Pump Chamber: 8.3" x 5.9"
- RO Reservoir: 8.3" x 9.6" x 14.1" (4.8 Gallons)
Plumbing:
- Main Drain: 1.25" (32mm DN25)
- Emergency Overflow: 1.25" (32mm DN25)
- Return Line: 1" (25mm DN20)
- Return Nozzles: 3/4" (20mm DN15)
Cabinet:
- Dimensions: 35.4" L x 19.7" W x 35.4" H
- Internal Space: 32.4" x 17.6" x 32"
What’s Included
- Waterbox MARINE X 90.3 Aquarium
- Marine-Grade Aluminum Framed Cabinet
- Precision Glass Sump System
- Complete Plumbing Kit
- 2x 225 Micron Mesh Filter Socks
- 2x Sock Silencers
- EVA Leveling Mat
We totally understand that plans change! You can modify or cancel your order as long as it hasn’t been shipped yet. Just call or email us right away - our team will confirm if we can catch it before it leaves our facility.
If your order is already in transit, you’ll need to request a return once it arrives. Keep in mind that some items, like aquariums and livestock, can’t be returned.
For full terms, please refer to our Refund & Return Policy.
Placing an order is simple - just add your item to the cart & complete the checkout process online. Once your order is confirmed, we'll reach out to you directly to schedule a local pick-up appointment at our facility.
* All local pick-ups are by appointment only *
Order processing typically takes 1-2 business days for products that are in stock or readily available through our network of distributors. Some products, however, are fulfilled on demand directly from our distributors, which can slightly extend processing and delivery times depending on availability and location.
Rest assured - we always work to get your order shipped as quickly as possible.
If you’d like to confirm availability or request an ETA before placing your order, you’re always welcome to call or email us.