The Arcadia ULTRA SEAL controllers have been a consistent choice for fishkeepers looking to add superior lighting to their aquariums. The ACU18 model, equipped with an 18W T8 starter, showcases the latest advancements in fluorescent lighting technology while complying with European aquarium lighting standards.

This lighting solution makes it simple to upgrade your aquarium illumination. The patented ULTRA SEAL (IP67) lamp-holders are waterproof, ensuring durability and safety. The ACU18 also comes with universal mounting brackets, making it versatile for installation on aquarium hoods or walls. Fishkeepers will appreciate the ease of use and compatibility with the Arcadia reflector range.

• Easily adds additional T8 lighting to an aquarium
• Patented ULTRA SEAL waterproof (IP67) lamp-holders
• Supplied with universal mounting brackets for flexible installation
• Suitable for single controllers from 6W-58W
• Compatible with Arcadia reflector range

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.