Fluval Flex

The Fluval Flex is a unique and contemporary aquarium system offered by Fluval. It is known for its curved front glass design, which provides a captivating panoramic view of your aquatic world. The Flex aquarium combines style and functionality, offering a visually stunning display and practical features.

The Fluval Flex is a unique and contemporary aquarium system offered by Fluval. It is known for its curved front glass design, which provides a captivating panoramic view of your aquatic world. The Flex aquarium combines style and functionality, offering a visually stunning display and practical features.

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 Have questions about Fluval Flex? Checkout out our FAQ!

Fluval Flex Setup Guide: From Unboxing to Aquascaping

The Fluval Flex aquarium range is one of the most popular starter and mid-level tanks thanks to its modern curved design, built-in multi-stage filtration, and customizable LED lighting. Whether you... read more
The Fluval Flex aquarium range is one of the most popular starter and mid-level tanks thanks to its modern curved design, built-in multi-stage filtration, and customizable LED lighting. Whether you’ve chosen the 34L (9 US gal) or 57L (15 US gal) model, this guide will walk you step-by-step through unboxing, setup, and aquascaping so you can create a thriving aquatic environment. read less

Best Fish and Plants for the Fluval Flex Aquariums

The Fluval Flex series has become one of the most popular aquarium ranges for beginners and aquascaping enthusiasts alike. With sizes available in 34 litres (9 US gallons) and 57 litres (15 US gall... read more
The Fluval Flex series has become one of the most popular aquarium ranges for beginners and aquascaping enthusiasts alike. With sizes available in 34 litres (9 US gallons) and 57 litres (15 US gallons), the Flex combines modern design, built-in multi-stage filtration, and powerful LED lighting that supports plant growth. read less

Fluval Flex Maintenance Made Easy: Weekly and Monthly Tasks

The Fluval Flex aquarium series is designed to make fishkeeping easier without sacrificing style or performance. With its built-in multi-stage filtration system, remote-controlled LED lighting, and... read more
The Fluval Flex aquarium series is designed to make fishkeeping easier without sacrificing style or performance. With its built-in multi-stage filtration system, remote-controlled LED lighting, and clever design features, the Flex is one of the most convenient aquariums on the market. read less

Fluval Flex Setup Guide: From Unboxing to Aquascaping

The Fluval Flex aquarium range is one of the most popular starter and mid-level tanks thanks to its modern curved design, built-in multi-stage filtration, and customizable LED lighting. Whether you... read more
The Fluval Flex aquarium range is one of the most popular starter and mid-level tanks thanks to its modern curved design, built-in multi-stage filtration, and customizable LED lighting. Whether you’ve chosen the 34L (9 US gal) or 57L (15 US gal) model, this guide will walk you step-by-step through unboxing, setup, and aquascaping so you can create a thriving aquatic environment. read less

Best Fish and Plants for the Fluval Flex Aquariums

The Fluval Flex series has become one of the most popular aquarium ranges for beginners and aquascaping enthusiasts alike. With sizes available in 34 litres (9 US gallons) and 57 litres (15 US gall... read more
The Fluval Flex series has become one of the most popular aquarium ranges for beginners and aquascaping enthusiasts alike. With sizes available in 34 litres (9 US gallons) and 57 litres (15 US gallons), the Flex combines modern design, built-in multi-stage filtration, and powerful LED lighting that supports plant growth. read less

Fluval Flex Maintenance Made Easy: Weekly and Monthly Tasks

The Fluval Flex aquarium series is designed to make fishkeeping easier without sacrificing style or performance. With its built-in multi-stage filtration system, remote-controlled LED lighting, and... read more
The Fluval Flex aquarium series is designed to make fishkeeping easier without sacrificing style or performance. With its built-in multi-stage filtration system, remote-controlled LED lighting, and clever design features, the Flex is one of the most convenient aquariums on the market. read less

Have Questions About Fluval Flex?
We Have Answers.

Get quick answers to common questions about Fluval Flex

What is the Fluval Flex aquarium range?

The Fluval Flex range is a series of modern, curved-front aquariums designed to combine style and functionality. They feature built-in multi-stage filtration, customizable LED lighting, and convenient maintenance features, making them ideal for both beginners and experienced aquarists.

What sizes are available in the Fluval Flex series?

The Fluval Flex aquariums are available in two main sizes: 34 litres (9 US gallons) and 57 litres (15 US gallons). Both options include the same sleek design and advanced features, with the larger size offering more space for aquascaping, planting, and housing a wider variety of fish.

Does the Fluval Flex come with a filter and lighting system?

Yes, every Fluval Flex kit comes complete with an integrated multi-stage filtration system and remote-controlled LED lighting. The filtration combines mechanical, chemical, and biological media to maintain clear water, while the LED unit offers a full spectrum with over 80 colour options and dynamic effects.

Is the Fluval Flex aquarium suitable for live plants?

The Fluval Flex is an excellent choice for planted tanks. The lighting system provides the right spectrum for healthy plant growth, and the adjustable water flow helps create natural circulation patterns that benefit aquatic plants. Many aquarists use the Flex as a foundation for stunning aquascapes.

Can I keep tropical fish in a Fluval Flex aquarium?

Absolutely. The Fluval Flex is designed for freshwater tropical setups and includes a designated compartment for a heater (sold separately). Once a heater is installed, the tank can support a wide variety of tropical fish species, as well as shrimp and snails.

How easy is the Fluval Flex to maintain?

The Fluval Flex is designed with user convenience in mind. It features a hinged lid with a feeding port, a cable management system, and an EZ-Lift filter media basket on the larger 57 L model. Routine maintenance like water changes and media replacement can be done quickly and easily.

Why choose the Fluval Flex over other aquariums?

Fluval Flex aquariums stand out for their combination of contemporary design, reliable performance, and ease of use. With their stylish curved glass, hidden filtration, quiet operation, and customizable lighting, they offer a complete solution for aquarists who want a beautiful, hassle-free aquarium.

Fluval Flex Aquariums – Stylish Design Meets Advanced Filtration

The Fluval Flex series combines modern design with advanced features, making it a top choice for both beginners and experienced aquarists. Each aquarium includes curved-front glass, a hidden multi-stage filtration system, and a customizable LED light unit with over 80 colour options.

Available in 34 L and 57 L sizes, the Fluval Flex is perfect for planted tanks and tropical fish setups. Its quiet pump, adjustable water flow, and energy-efficient lighting create a healthy, vibrant environment for your aquatic life.

At Charterhouse Aquatics, we stock the full range of Fluval Flex aquariums and accessories, along with expert advice and fast UK delivery. Create a stunning, low-maintenance underwater world with the Fluval Flex today.Fluval Flex Aquariums – Stylish Design Meets Advanced Filtration