




Product description

Why Choose KINWAYN Desktop CO₂ System Kit?
The KINWAYN complete CO₂ kit provides a simple and stable way to add CO₂ to planted aquariums. It regulates CO₂ pressure and delivers fine bubbles, helping plants absorb carbon for faster growth and healthier leaves.

1 Solenoid Valve
2 Portable Design
3 Compatibility


Pressure Gauge
Displays internal CO₂ pressure, allowing you to monitor gas levels and ensure stable CO₂ output during operation.

Sealing Ring
Creates a tight seal between components to prevent CO₂ leakage and improve system safety and efficiency.

CO2 Pipe Quick-Connect
Allows fast and secure connection of CO₂ tubing, making installation and maintenance more convenient.

Precise Adjustment Valve
Provides fine control of CO₂ flow rate, helping you easily adjust bubble output for optimal plant growth.
Installation Steps 

Package Dimensions : 11.39 x 9.49 x 3.47 inches; 1.83 pounds
Item model number : KW-45GWCO2-US
Date First Available : February 22, 2025
Manufacturer : Kinwayn
ASIN : B0H7QV4NPM
Best Sellers Rank: #102,026 in Pet Supplies (See Top 100 in Pet Supplies) #406 in Aquarium Air Pump Accessories
Customer Reviews: 2.5 2.5 out of 5 stars (3) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Complete CO₂ System Kit: Upgrade your planted aquarium with an all-in-one CO₂ solution. The Kinwayn Aquarium Complete CO2 kit includes a precision CO₂ regulator, 45g disposable CO₂ cartridge, solenoid valve, bubble counter, diffuser, and tubing. Beginner-friendly design, it provides an easy way to start CO₂ injection without searching for compatible accessories.
Precision CO₂ Control with Needle Valve & Solenoid Valve: The co2 aquarium kit can fine-tune CO₂ output with the adjustable needle valve for accurate bubble rate control. The built-in solenoid valve allows convenient CO₂ on/off operation when connected to an aquarium timer, helping maintain consistent CO₂ delivery.
Compatible with 5/8″ & 3/8″ CO₂ Cartridge Threads: Aquarium co2 kit designed for flexible compatibility, the regulator fits standard 5/8″ threaded CO₂ cartridges and includes a 3/8″ adapter. Easily switch between compatible cartridge sizes without purchasing additional converters.
Compact Design for Nano & Desktop Aquariums: Designed for small planted tanks, shrimp tanks, and desktop aquascapes. The slim and space-saving design of the aquarium co2 system provides reliable CO₂ injection performance while fitting neatly into compact aquarium setups.
Easy Setup & Reliable Performance: The quick-connect design allows fast tubing installation without extra tools. Combined with a disposable 45g CO₂ cartridge and precision sealing components, this co2 aquarium system offers convenient setup, low maintenance, and dependable daily operation.
