Acrylic Reef Aquarium 100x50x50cm
• 15mm thick panels withstand pressure from large reef water volumes
• Starfire-grade ultra-clear acrylic renders coral colors with stunning accuracy
• 100cm length provides ample swimming space for diverse reef fish species
• Professional-grade construction meets the demands of serious reef enthusiasts
• Seamless joints eliminate algae buildup in corners for easier maintenance
The Acrylic Reef Aquarium 100x50x50cm is a professional-grade tank engineered specifically for the demands of coral reef keeping and serious marine aquarists. Constructed from Starfire-grade ultra-clear acrylic with 15mm thick panels, this aquarium delivers unmatched optical clarity that renders coral colors with stunning accuracy, far surpassing the greenish tint common in standard glass tanks. The 250-liter water capacity provides ample space for a diverse reef ecosystem including SPS and LPS corals, reef-safe fish, and invertebrates. The seamless acrylic construction eliminates the silicone seams where nuisance algae typically takes hold in glass reef tanks, significantly reducing maintenance time and keeping your reef looking pristine. At 25 kg empty, the tank is lighter than a comparable glass reef tank, yet the 15mm panels are engineered to handle the substantial water pressure of a 50cm depth with ease. The flat, polished edges and crystal-clear panels create a frameless appearance that makes the reef appear to float in space, providing an immersive viewing experience. This aquarium is reef-ready out of the box and pairs perfectly with our Acrylic Fish Tank Sump Filter (ACR-14-07) for a complete, professional filtration system.

Key Selling Points
- ✓ Starfire-grade ultra-clear acrylic renders coral colors with stunning accuracy
- ✓ 15mm thick panels engineered to withstand 50cm depth water pressure for reef environments
- ✓ Seamless construction eliminates silicone seams where nuisance algae takes hold
- ✓ 250-liter capacity supports SPS/LPS corals, reef fish, and invertebrate ecosystems
- ✓ Frameless polished edges create an immersive floating-reef viewing experience
- ✓ Designed to pair seamlessly with our sump filter (ACR-14-07) for complete reef filtration
Product Specifications
| Attribute | Value |
|---|---|
| SKU | ACR-14-06 |
| Material | Starfire Ultra-Clear Acrylic/PMMA |
| Color | Ultra-Clear (low iron) |
| Dimensions (L x W x H) | 100cm x 50cm x 50cm |
| Panel Thickness | 15mm |
| Water Capacity | Approx. 250 Liters |
| Weight (Empty) | 25.0 kg |
| Weight (Filled, Approx.) | 275 kg |
| Construction | Seamless bonded, polished edges |
| Optical Clarity | Starfire-grade, 91%+ light transmission |
| Suitable For | SPS/LPS coral reefs, marine fish, reef invertebrates |
| Recommended Sump | ACR-14-07 Acrylic Sump Filter |
| Assembly | Ready to use, requires appropriate stand |
| Lead Time | 5-7 business days |
Frequently Asked Questions
Q: Why is Starfire-grade acrylic better for reef tanks than regular glass?
A: Standard glass contains iron impurities that create a slight greenish tint, which distorts the true colors of your corals. Starfire-grade ultra-clear acrylic eliminates this tint, providing over 91% light transmission. This means your corals appear more vibrant and true-to-life, and the overall aesthetic is significantly brighter and cleaner.
Q: Can this tank handle the weight of live rock and coral for a full reef setup?
A: Absolutely. The 15mm acrylic panels are engineered to handle not just the water pressure but also the additional weight of live rock, coral colonies, and substrate. The flat bottom panel distributes weight evenly. We recommend placing the tank on a stand rated for at least 300 kg total weight.
Q: Do I need a sump for this reef aquarium?
A: While not strictly required, a sump filter is highly recommended for reef tanks. It provides additional water volume, houses protein skimmers and chemical filtration media, and keeps equipment out of the display tank. Our ACR-14-07 Acrylic Sump Filter is designed to pair perfectly with this aquarium.
Q: How do I prevent scratches when cleaning a reef tank with live rock?
A: When aquascaping, always place live rock and coral frags on the substrate first, then slide them into position rather than dragging them across the acrylic. Use an acrylic-safe magnetic cleaner for algae removal on the panels. Avoid placing sharp-edged rock directly against the acrylic walls by using rubber bumpers or eggcrate as a protective layer.









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