Check the listing for details. Aquarium DIY CO2 Generator System Kit CO2 Generator System with Solenoid V0X7. Condition: New. Listed at 50.51 USD. Just add citric acid, baking soda, water into the bottle, can produce carbon dioxide. The plant metabolic rate can be increased quickly, create the growing conditions for fishes. It is the choice for making CO2 equipment at home. It is easy, , and economical. material ratio: A bottle: Citric acid 200g+water 600g; B bottle: Baking soda 200g+water 200g. Features: Be made of aluminum alloy. It is strong, , and efficient. Well- caps and pipes, leak-proof, non-deformed, never loose. Professional pressure gauge for pressure watch. , simple to create pure CO2 constantly by chemical reactions. Solenoid : To control the on and off of the CO2 generator system using a timer(not included). Bubble counter with a check : -rate of CO2 indication device and water back into the bottle. Equipped with a safety , the pressure is greater than 4kg pressure will automatically, carbonated beverage bottle pressure is 8kg, safety is ensured. The safety supports manual pressure . When the pressure is below 4kg, it can be manually relieved by pull the of the safety . It is very . Come with a bubble diffuser, refine the bubbles and make it easy to dissolve in water and be absorbed by plants. Inject to your aquarium with CO2 quickly and easily. Any problem, please our store without hesitation. to serve you! Specification: Name: DIY CO2 generator system Main material: Aluminum alloy Main color: Voltage: AC input; output material ratio: A bottle: Citric acid 200g+water 600g B bottle: Baking soda 200g+water 200g Note: 1. The package does not contain containers for reaction materials. Please prepare 2* 1.5L or large beverage bottles (coke bottles are the ). Do not use glass bottles or bottles to glass bottles accidentally cracking or exploding due to excessive pressure in the bottle. 2. Boost pressure operation: If the pressure gauge shows that the pressure is too low to reach 1KG, the boost pressure operation is required. The customer needs to open the trim to release the , then close the trim and shake the bottle (the AB bottle is shaken together) in order to reach the materials faster. Repeat the operation, and then observe the pressure until the pressure rising. If the pressure achieves the pressure you could stop the operation. The starting pressure is 1KG. 3. Don't open the bottle directly when there's still on pressure, please wait for its automatic pressure release. Package Information: Package size: 22.5*7*12cm Package weight: 530g Gift Box Packaging Package List: H30775US 1* CO2 generator system 1* Solenoid 1* Bubble counter with check 1* Pressure gauge 1* Bubble diffuser 1* 1.5m tube 2* Suction cup 1* Check 1* Manual