check valve

Sera Reducer 10 mm to 6 mm – Precise Adjustment for Aquarium and Filter Systems The Sera Reducer allows for a smooth transition from 10 mm to 6 mm and ensures a secure connection between hoses in aquarium, filter, and CO₂ systems. Its high-quality construction guarantees stable and reliable flow without pressure loss. Advantages of the Sera Reducer: Precise size adjustment – Enables a secure connection between 10 mm and 6 mm hoses. High-quality material – Durable construction for maximum sealing and stability. Versatile applications – Ideal for aquariums, CO₂ fertilization systems, filtration technology, and water flow systems. Easy installation – Simple integration without additional modifications. The Sera Reducer 10 mm to 6 mm is the perfect solution for aquarists seeking a reliable hose connection and precise adjustment of water flow or CO₂ supply. Thanks to its robust design and user-friendly handling, it ensures maximum functionality and secure connections in any aquarium system.

Sera Flore CO₂ Active Reactor – Efficient CO₂ Diffusion for Healthy Plant Growth Optimal CO₂ supply is essential for vigorous plant growth and stable water values. The Sera Flore CO₂ Active Reactor ensures efficient CO₂ diffusion by mixing CO₂ bubbles intensively with aquarium water via special rotors and dissolving them to the maximum extent. Advantages of the Sera Flore CO₂ Active Reactor: Optimal CO₂ dissolution – High-performance rotors efficiently dissolve several hundred CO₂ bubbles per minute into the water. Flexible installation – Can be integrated into an existing water circuit (e.g., external filter) or alternatively operated with a pump. Space-saving mounting – Supplied bracket allows installation inside or outside the aquarium, e.g., in the cabinet. Algae-inhibiting material color – Smoke-grey design reduces algae growth and makes cleaning easier. Easy maintenance – Design allows effortless cleaning for long-lasting efficiency. Variants & Recommendations: Sera Flore CO₂ Active Reactor 500 – Up to 500 CO₂ bubbles/min, suitable for aquariums from 250 to 600 liters. Sera Flore CO₂ Active Reactor 1000 – Up to 1000 CO₂ bubbles/min, ideal for aquariums over 600 liters and heavily planted tanks. With the Sera Flore CO₂ Active Reactor, aquarists receive an innovative solution for CO₂ diffusion that ensures healthy plant growth and perfect water values. The efficient CO₂ dissolution maximizes nutrient uptake and creates a stable environment for all aquarium inhabitants.

Adjustable T-Connector – Flexible Water Distribution for Aquariums and Pond Systems Reliable water management is essential for optimal filtration and water circulation. The adjustable T-connector enables precise water distribution and is perfectly suited for use in aquariums and pond systems. Advantages of the adjustable T-connector: Flexible water distribution – Ideal for adjusting water flow in filter and pump systems. Adjustable branch – Allows individual control of water flow for various applications. High-quality construction – Durable material for long-lasting and safe use. Easy installation – Quick integration into existing hoses and filter systems. Size variants & technical details: Small version: 2 x 12/16 mm, 1 x 6/8 mm (adjustable) Ø 12 mm inner, Ø 16 mm outer Large version: 2 x 16/22 mm, 1 x 6/8 mm (adjustable) Ø 16 mm inner, Ø 22 mm outer With the adjustable T-connector, aquarists receive a practical and versatile solution for water distribution – perfect for customized aquarium and pond setups. The precise control ensures optimal water circulation and efficient filtration.

Sera Flore CO₂ Pressure Regulator – Precise Pressure Regulation for Reliable CO₂ Supply A safe and controlled CO₂ supply is essential for healthy plant growth in aquariums. The Sera Flore CO₂ Pressure Regulator, made in Germany, ensures precise pressure reduction and allows optimal dosing of the CO₂ content. Advantages of the Sera Flore CO₂ Pressure Regulator: Reliable pressure reduction – Reduces the cylinder pressure from approx. 50 – 60 bar to the required working pressure (0.1 – 2.5 bar) for controlled CO₂ supply. High-quality needle valve – Precise adjustment of the CO₂ quantity to suit the needs of the aquarium. Universal compatibility – Can be connected to all standard CO₂ cylinders with external valve. Safe handling – Robust construction for maximum safety and stable CO₂ dosing. Optimal CO₂ control: The Sera Flore CO₂ Pressure Regulator ensures a consistent and reliable CO₂ supply that promotes aquatic plant growth and ensures stable water quality. With this precise pressure regulator, aquarists receive a professional solution for CO₂ dosing – ideal for sustainable and efficient plant care in the aquarium. Thanks to its precise regulation mechanisms and high-quality manufacturing, it ensures optimal CO₂ distribution that keeps the aquarium system stable in the long term.

Sera Flore CO₂ Bubble Counter – Precise Control of CO₂ Supply for Optimal Plant Growth Accurate CO₂ dosing is crucial for successful fertilization of aquatic plants. The Sera Flore CO₂ Bubble Counter provides precise and easy monitoring of the CO₂ supply and allows exact adjustment of carbon dioxide fertilization. Advantages of the Sera Flore CO₂ Bubble Counter: Precise CO₂ dosing – Allows easy counting of CO₂ bubbles for optimal control of the CO₂ supply. Fine nozzle for clear bubble formation – Ensures clean bubble detachment for fast and accurate reading. Discreet placement – Compact design allows the bubble counter to be integrated unobtrusively into the aquarium. Optimal CO₂ usage – Prevents unnecessary CO₂ loss and ensures efficient carbon dioxide fertilization. Application & Extensions: The Sera Flore CO₂ Bubble Counter can be easily integrated into existing CO₂ fertilization systems and is especially suitable for aquariums with plant growth systems. With this reliable CO₂ bubble counter, aquarists receive a professional solution for accurate CO₂ control, optimizing plant growth and sustainably improving water quality. The precise dosing ensures efficient carbon dioxide distribution, contributing to a healthy and stable aquarium environment.

Sera CO₂ Hose 4/6 – High-Quality Connection for CO₂ Systems The Sera CO₂ Hose 4/6 is specifically designed for the safe and efficient use of CO₂ fertilization systems in aquariums. With a length of 10 meters, it offers flexible installation and reliable connection between CO₂ pressure regulators, diffusers, and other components. Advantages of the Sera CO₂ Hose: Optimal CO₂ flow rate – Ensures consistent CO₂ supply for plant growth. High-quality material – Special CO₂-resistant tubing prevents gas loss. Standardized size – 4 mm inner diameter, 6 mm outer diameter, fits common CO₂ systems. Flexible and easy installation – 10 m length allows custom setups and professional aquarium layouts. Resistant to pressure and kinks – Ensures uninterrupted long-term operation. Application possibilities: The Sera CO₂ Hose 4/6 is ideal for CO₂ diffusers, reactors, solenoid valves, and other accessories. It enables safe and efficient CO₂ supply, promoting healthy plant growth in the aquarium. With its high-quality craftsmanship and reliable function, this CO₂ hose is an essential component for any aquarium CO₂ system – perfect for professional and stable CO₂ fertilization.

Sera O-Ring for Filling Adapter – High-Quality Seal for Safe CO₂ Usage The Sera O-Ring for Filling Adapter ensures a reliable seal during CO₂ filling processes and prevents gas leaks. With its precise fit, it provides a stable connection between the filling adapter and the CO₂ bottle, enabling safe and efficient use. Advantages of the Sera O-Ring for Filling Adapter: Optimal sealing – Prevents gas leaks and ensures a stable CO₂ flow. High-quality material – Durable and resistant for long-term use. Perfect fit design – Specifically developed for use with Sera filling adapters. Easy installation – Effortless replacement for consistently safe application. The Sera O-Ring for Filling Adapter is the ideal solution for aquarists who want to operate their CO₂ fertilization systems reliably and efficiently. Thanks to its robust construction, it offers maximum safety and a long service life. This seal ensures uninterrupted CO₂ supply and supports healthy plant growth in the aquarium.

CO₂ Cylinder Holder – Secure Mount for 500 g CO₂ Cylinders The CO₂ cylinder holder provides a reliable and stable solution for mounting 500 g CO₂ cylinders in aquarium CO₂ systems. It ensures secure positioning of the CO₂ cylinder and minimizes the risk of tipping or accidental impact. Advantages of the CO₂ cylinder holder: Optimal stability – Securely holds the CO₂ cylinder against movement and vibrations. Precision fit design – Specifically developed for mounting 500 g CO₂ cylinders. Space-saving installation – Enables neat and safe storage in the aquarium cabinet. Durable material – Long-lasting and resistant to external influences. Easy installation – Quick and uncomplicated setup for immediate use. This CO₂ cylinder holder is ideal for aquarists who want to safely and professionally organize their CO₂ fertilization system to ensure a stable CO₂ supply for healthy plant growth. Its precise construction and robust design offer maximum safety and convenience in any aquarium setup.

Sera O-Ring for Pressure Regulator – Secure Seal Ring for Reliable CO₂ Regulation The Sera O-Ring for Pressure Regulator is an essential spare part for safe and efficient CO₂ dosing in aquariums. Thanks to its high-quality design, it ensures a reliable seal and prevents gas leakage, keeping CO₂ supply consistently optimal. Advantages of the Sera O-Ring for Pressure Regulator: Perfect sealing – Prevents gas leaks and ensures stable CO₂ delivery. High-quality material – Durable and resilient for maximum safety. Precision fit – Specially developed for use in Sera CO₂ pressure regulators. Easy installation – Simple replacement of the O-ring for reliable operation. Extended application possibilities: The Sera O-Ring for Pressure Regulator is ideal for regular replacement in CO₂ systems to ensure effective and safe CO₂ regulation in aquariums. Thanks to its robust construction and precise fit, this O-ring ensures optimal sealing performance, enabling uninterrupted CO₂ supply – perfect for healthy plant growth and stable water values.

Sera CO₂ Solenoid Valve – Precise CO₂ Shut-Off Control for Efficient Fertilization CO₂ supply in aquariums should be optimally regulated to promote plant growth while minimizing gas consumption. The Sera CO₂ Solenoid Valve enables automatic nighttime shut-off and can be flexibly controlled with a timer. Advantages of the Sera CO₂ Solenoid Valve: Automatic CO₂ shut-off – Precisely regulates the CO₂ supply during the night or at set times. Energy-efficient control – Prevents unnecessary CO₂ consumption, saves resources, and optimizes fertilization. Compatible with existing CO₂ systems – Usable in new and existing pH-controlled CO₂ fertilization systems. Easy installation – Mounted between the CO₂ pressure regulator and the CO₂ gas cylinder. Reliable operation – Safe function thanks to high-quality materials and precise technology. Technical requirements & application: Requires a CO₂ pressure regulator for safe integration into the CO₂ system. Works with standard timers to enable automatic control. Optimal addition to CO₂ fertilization systems to ensure environmentally friendly and controlled CO₂ supply. With the Sera CO₂ Solenoid Valve, aquarists receive an efficient solution for controlling the CO₂ supply, enabling precise regulation and ensuring a stable aquarium ecosystem. Thanks to the automated night shut-off, CO₂ consumption is optimized while plants continue to be optimally supplied.

Sera Flore CO₂ Pressure Diffuser – Efficient CO₂ Diffusion for Optimal Plant Supply The Sera Flore CO₂ Pressure Diffuser combines innovative technology with high-quality design to ensure precise CO₂ supply in aquariums up to 300 liters. Thanks to the fine-pored ceramic membrane, ultra-fine CO₂ bubbles are generated, which dissolve optimally in the water and specifically promote plant growth. Advantages of the Sera Flore CO₂ Pressure Diffuser: High-quality acrylic glass – Elegant and durable material for safe use. Fine-pored ceramic – Produces particularly fine CO₂ bubbles for maximum CO₂ absorption. Integrated bubble counter – Provides precise control of the CO₂ supply for optimal dosing. Easy cleaning and maintenance – The diffuser can be quickly removed and cleaned or replaced. For aquariums up to 300 liters – Ideal for variously planted freshwater aquariums. Extended application possibilities: The Sera Flore CO₂ Pressure Diffuser is perfect for CO₂ fertilization systems and can be easily integrated into existing aquarium setups. With its effective CO₂ diffusion, it significantly contributes to stable water quality and healthy plant growth. Thanks to its high-quality construction and well-designed features, this CO₂ diffuser is an essential component for aquarists who want to optimally supply their plants with CO₂.

Sera CO₂ Pressure Gas Cylinder – Safe and Reliable CO₂ Supply for Aquariums The Sera CO₂ pressure gas cylinder ensures efficient and safe CO₂ delivery in aquariums and enables targeted fertilization for optimal plant growth. Made of high-quality steel, it offers maximum safety and certified quality. Advantages of the Sera CO₂ Pressure Gas Cylinder: Robust steel construction – Durable and resilient material for high safety standards. Integrated overpressure safety valve – Ensures safe operation without pressure fluctuations. External valve with handwheel – Easy handling for precise CO₂ dosing. Protective bracket for added safety – Prevents mechanical damage and secures the valve mechanism. Refillable CO₂ cylinder – Sustainable solution for long-term CO₂ use. Technical details: Material: High-quality steel for maximum stability. Safety: TÜV-certified overpressure protection. Valve type: Standard connection for common CO₂ pressure regulators. Use: Ideal for aquarium CO₂ fertilization systems to promote plant growth. The Sera CO₂ pressure gas cylinder is the perfect choice for aquarists who want to ensure a reliable, professional, and safe CO₂ supply in their aquarium. Thanks to its robust construction and precise control, it supports optimal nutrient supply for a healthy ecosystem.

Sera Water Hose 6/8 mm – Robust and Flexible Solution for Aquariums The Sera Water Hose 6/8 mm offers a durable and versatile option for water guidance in aquariums. With a length of 10 meters, it allows flexible installation and is ideal for various applications such as filtration systems, CO₂ setups, and water changes. Advantages of the Sera Water Hose: High-quality material – Sturdy and durable hose for maximum safety in aquarium systems. Optimal size – Inner diameter 6 mm, outer diameter 8 mm, ideal for common aquarium equipment. Versatile use – Perfect for aquarium filters, CO₂ systems, water changes, and air pumps. Flexible and easy to install – 10-meter length allows custom installations and simple setup. Resistant to kinks and pressure – Ensures uninterrupted water flow. Technical application possibilities: The Sera Water Hose 6/8 mm is compatible with many common aquarium systems and is ideal for use with CO₂ diffusers, water filters, check valves, and other accessories. With its high-quality construction and optimal flexibility, this hose provides safe and reliable water guidance in aquariums – an essential component for stable water quality and professional aquarium technology.

Sera CO₂ Cleaning Brush – Effective Cleaning for CO₂ Diffusers and Accessories Regular cleaning of CO₂ components is essential for efficient CO₂ diffusion and long service life of the system. The Sera CO₂ Cleaning Brush is specially designed to thoroughly and gently clean CO₂ diffusers, reactors, and hoses from deposits. Advantages of the Sera CO₂ Cleaning Brush: Targeted cleaning – Effectively removes algae, lime, and dirt from CO₂ diffusers and accessories. Gentle care – Special brush fibers ensure thorough cleaning without damage. Increased efficiency – A clean CO₂ system ensures optimal CO₂ supply for healthy plant growth. Universal application – Ideal for CO₂ reactors, diffusers, hoses, and other components of the CO₂ system. Durable material – High-quality brush fibers for long-lasting use. Application recommendation: Regular cleaning with the Sera CO₂ Cleaning Brush prevents deposits and maintains maximum system performance. Perfect for aquarists who want to maintain their CO₂ supply efficiently and sustainably. This cleaning brush ensures constant CO₂ diffusion, keeping plants optimally supplied and the aquarium healthy over the long term.