The JBL PROFLORA CO2 CYLINDER 500 U is a disposable, pre-filled CO2 cylinder designed for freshwater aquarium fertilisation systems. Available in a single cylinder (x1) or value triple pack (x3), each unit delivers 500 g of CO2 to promote strong plant growth and help prevent algae formation. These cylinders are compatible with CO2 systems that use an external M10x1 threaded connection.

Each cylinder includes a pre-mounted rubber base for safe and stable upright operation, which is essential due to the pressurised liquid CO2 content. TÜV certification ensures safety standards are met for peace of mind during use. The system offers a practical and clean solution for delivering carbon dioxide to support healthy aquatic environments.

Key Features:

• Available as a single cylinder (x1) or a 3-pack (x3)
• Each cylinder pre-filled with 500 g CO2
• Supports healthy plant growth and helps control algae
• External M10x1 thread for use with compatible pressure regulators
• Includes rubber stand for upright positioning
• TÜV certified for operational safety

Whether you need a single replacement or a multi-pack for longer-term use, this product offers reliable CO2 delivery for all compatible planted aquarium systems. It's ideal for use with JBL PROFLORA equipment or other M10x1-compatible setups.

Specifications:

• CO2 content: 500 g per cylinder
• Thread type: M10x1 (external)
• Available quantities: 1 or 3 disposable cylinders
• Dimensions per cylinder: 31 x 7.5 cm
• Total height with regulator (not included): 37 cm

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.