The OASE biOrb HALO 15L MCR Aquarium is a compact, all-in-one fish tank designed for coldwater setups. With its seamless acrylic bowl and concealed waterline, it offers a clean, modern look that fits easily into home or office spaces. The integrated multi-colour LED lighting system, controlled by a remote, enhances the display while keeping operation simple and accessible.

Key Features:

• 15-litre (4 gallon) compact aquarium suitable for coldwater fish
• Available in White or Grey finishes
• MCR LED lighting with remote control for multiple colour options
• Built-in light sensor for automatic day-to-moonlight transition
• Halo-style LED ring creates a clear, 3D-style visual effect
• Durable acrylic construction – up to 10 times stronger than glass
• Magnetic lid closure for secure and easy access
• Discreet airline system hidden within the base
• Proven biOrb filtration system for effective water maintenance
• Low voltage lighting and pump for added safety
• Simple upkeep with filter cartridge replacement every 4 weeks
• Includes full setup kit with media, conditioner, and bacteria starter

Supplied as a complete kit, this aquarium includes everything needed to get started, from the air pump and ceramic media to water treatments and filter cartridge. Its straightforward maintenance routine and reliable filtration make it a practical choice for both beginners and experienced fish keepers.

A well-designed, space-saving aquarium that combines visual appeal with ease of use, the biOrb HALO 15L offers a tidy and efficient way to keep coldwater fish.

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.