Black Diamond 3ft Polished Tank – 915 x 325 x 370mm (5mm Glass)
Black Diamond 3ft Polished Tank – 915 x 325 x 370mm (5mm Glass)
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- Made in South Africa
- Secure card payment
- Collect in store at our 3 Gauteng stores
- Questions? Send us a message
A clean and versatile mid-sized aquarium – perfect for peaceful communities, planted displays, or grow-outs.
🔍 Key Features
Size: 610mm (L) x 305mm (W) x 305mm (H)
Glass Thickness: 4mm polished edge glass – strong, neat, and display-ready
Construction: Bonded with clear silicone for a sleek, see-through finish
Base Support: Includes a white polystyrene base to provide shock absorption and stability
Finish: Polished edges for a modern, premium appearance
Water-Ready: Built to hold full water volume for freshwater or tropical fish
Safe Setup: Designed to be used with level, reinforced stands – avoid uneven surfaces to prevent stress cracking
📄 Product Description
The Black Diamond 2ft Polished Tank strikes the ideal balance between footprint and volume. At 610 x 305 x 305 mm, this tank is a great option for beginners and enthusiasts alike looking to build out peaceful freshwater communities, dense planted tanks, or even fry grow-out systems.
Its 4mm glass panels are machine-polished for a flawless edge, while crystal-clear silicone seals ensure structural strength without sacrificing visibility. With its sleek proportions and clean profile, it fits beautifully into modern interiors or store displays.
🐠 Recommended Species / Families
Platies, Mollies, Guppies
Corydoras Catfish
Neon and Cardinal Tetras
Dwarf Gouramis
Cherry Shrimp or Amano Shrimp
Live plants (Java Fern, Anubias, Crypts)
⚠️ Important Note
To ensure safety and avoid cracking, always place this tank on a level surface. We highly recommend pairing it with our Black Diamond Aquarium Stand, specially designed to support and protect your tank long-term.
Collection & returns
Collection & returns
Collect in store: For now, orders are collect in store only. At checkout, choose Pickup at Oakfields (Benoni), or the free Collect in store option for Stoneridge (Edenvale) or Woodbridge (Kempton Park). We email you when your order is ready to collect, usually within 2 to 4 days. Nationwide delivery is coming soon.
Damaged? Please check your order when you collect it. If anything is broken or damaged, tell our store team or contact us as soon as you can with photos of the item and the packaging, and we will replace or refund it at no cost to you.
Changed your mind? You can cancel an online order within 7 days after you receive your goods, without giving a reason (ECTA). You pay only the direct cost of returning it. This does not apply to custom builds made to your specifications.
Faulty or not as described? Under the Consumer Protection Act you have 6 months from when you receive an item to return it if it is defective, at our cost, and choose a repair, a replacement or a refund.
Common questions
Common questions
How thick is the glass?
The glass thickness for each tank is given in its title or description. Across the Black Diamond range it goes from 3mm glass on the 1ft tanks to a 10mm base with 6mm sides on the 4ft tanks.
Is the silicone clear or black?
Black Silicone Series tanks are sealed with black silicone. The other Black Diamond tanks are sealed with clear silicone.
What is included?
It comes with a white polystyrene base. Everything that is included is listed in the product description. If you are unsure, ask us before you order.
Can I get it delivered?
Not yet. For now, orders are collect in store only. At checkout, choose Pickup at Oakfields (Benoni), or the free Collect in store option for Stoneridge (Edenvale) or Woodbridge (Kempton Park). We email you when it is ready, usually within 2 to 4 days. Nationwide delivery is coming soon.
What if it is damaged?
Please check it when you collect it. If anything is broken or damaged, tell our store team or contact us with photos, and we will replace or refund it at no cost to you.
How do I pay?
Pay by card through our secure checkout. The payment options are shown at checkout, and all prices are in South African Rand (ZAR).
Can I get a custom size?
Yes. See custom builds, or send us a message.
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