Fluval Cycle: Biological Enhancer is an advanced aquarium supplement engineered to cultivate a robust biological environment for your aquatic life. By immediately inoculating your aquarium with a comprehensive blend of beneficial bacteria, this enhancer facilitates the establishment of a balanced ecosystem, promoting the health and vitality of your fish. Particularly advantageous for new aquarium setups, the Fluval Cycle fortifies the habitat by breaking down harmful ammonia and nitrites rapidly, mitigating potential threats to your fish's wellbeing.

Regular use of this supplement not only maintains a harmonious biological balance but also inhibits the growth of undesirable bacteria, contributing to a healthier aquarium environment. With its innovative bio-floc technology, the product guarantees stability and effectiveness without the need for refrigeration, delivering reliable results with each application.

• Effective for both fresh and saltwater aquariums
• Introduces a powerful colony of beneficial bacteria for swift inoculation
• Minimises fish stress by neutralising toxic ammonia and nitrites
• All-natural formulation that is safe for plants, animals, and humans
• Proven bio-floc technology supports product reliability and longevity

Integrating Fluval Cycle: Biological Enhancer into your regular aquarium care routine fosters an optimal living environment for your aquatic pets. Its scientifically-backed formulation and ease of use make it a crucial component in maintaining a thriving aquatic ecosystem.

• Type: Biological Enhancer
• Usage: Suitable for new and established aquariums
• Storage: Does not require refrigeration
• Compatibility: Freshwater and saltwater aquariums

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.