Create a reliable and efficient CO2 supply for your aquarium or plant system with this DIY CO2 Generator System, crafted from durable aluminum alloy for strength and long-lasting performance. Designed for safety and ease of use, this complete kit includes a solenoid valve, bubble counter with check valve, pressure gauge, and safety valve, providing precise control and monitoring of CO2 production through simple chemical reactions. Key Features: · **Durable Aluminum Alloy Construction:** Built with high-quality aluminum alloy, ensuring a strong, leak-proof, and corrosion-resistant system that maintains shape and integrity over time. · **Efficient CO2 Generation:** Produces pure CO2 continuously and economically by mixing citric acid and baking soda solutions, ideal for enhancing plant growth and aquatic environments. · **Professional Pressure Gauge:** Allows accurate real-time monitoring of system pressure to maintain optimal CO2 levels and prevent over-pressurization. · **Solenoid Valve for Automated Control:** Enables easy on/off control of the CO2 flow when connected to a timer (not included), allowing precise regulation of CO2 delivery. · **Bubble Counter with Check Valve:** Provides clear visual indication of CO2 flow rate while preventing water backflow into the system, ensuring stable and safe operation. · **Safety Valve with Automatic and Manual Pressure Relief:** Automatically releases pressure exceeding 4kg to avoid hazards, and supports manual pressure relief for safe handling below 4kg by pulling the valve ring. · **Complete and Ready-to-Use Kit:** Includes all essential components such as CO2 generator system, solenoid valve with plug, bubble counter with check valve, pressure gauge, safety valve, fine adjusting valve, tubing, suction cups, sealing rings, and a detailed manual for easy setup. Specifications: · Material: Aluminum Alloy · Color: Silver · Voltage: 100-240V · Available Configurations: CO2 Generator System / CO2 Generator System + Bubble Counter with Check Valve / CO2 Generator System + Bubble Counter with Check Valve + Solenoid Valve · Recommended Raw Material Ratio:   - Bottle A: Citric Acid 200g + Water 600g   - Bottle B: Baking Soda 200g + Water 200g · Package Size: 22 x 12 x 6 cm · Package Weight: 460g Important Notes: - Reaction containers are not included; use 1.5L or larger plastic beverage bottles (preferably soda bottles). Avoid glass or beer bottles to prevent breakage due to pressure. - For optimal pressure (around 1kg), perform boost pressure operation by releasing gas via the trim valve and shaking the bottles to accelerate reaction. - Never open bottles under pressure; always wait for automatic pressure release to ensure safety. Package Includes: · 1 x CO2 Generator System · 1 x Solenoid Valve with Plug · 1 x Bubble Counter with Check Valve · 1 x Check Tube Kit · 1 x Pressure Gauge · 1 x Safety Valve · 1 x Fine Adjusting Valve · 1 x 1.5m Tubing · 2 x Suction Cups · Multiple Sealing Rings · 1 x User Manual This DIY CO2 Generator System offers an affordable, safe, and effective solution for producing continuous CO2, boosting plant metabolism and creating optimal growing conditions in aquatic and horticultural setups. Its robust design, safety features, and comprehensive accessories make it an excellent choice for hobbyists and professionals seeking a reliable CO2 generation method.