CO2 plays an indispensable role to the photosynthesis of aquatic plants, but the aquarium can not provide a genuine environment for plants' growing, so it comes even important for adding adequate amount of CO2 to the aquarium.

• Feature: Easy operations, great DIY enjoyment, perfect CO2 generator
• Pressurized CO2 System Includes: Caps, needle valve, 3-way connector, check valve, tubing, pressure gage
• Equipment Required: 2 x carbonated beverage bottles, reaction material and diffuser (need prepared by users)
• Recommended Reaction Material: Baking soda+citric acid / alum+baking soda / acetic acid+baking soda, etc

Example of Material Proportion (2L coke bottle, baking soda+citric acid):

• Bottle A: 200g citric acid+600ml water (1:3)⇒shake until well mixed
• Bottle B: 200g baking soda+800ml water (1:4)⇒shake until well mixed

Installations & Operations:

• Turn off needle valve and connect to diffuser, check if any loose parts
• Connect A, B parts with bottle A and B
• Turn on the needle valve and adjust
• Do not screw off the bottle cap directly for decompression or stopping reaction
• Emergency Treatment: Turn off needle valve and disconnect the tube from the end for air out

Package Includes:

• 1 x Pressure gage
• 2 x Bottle Cap
• 1 x control valve
• Tubing (6mm outer diameter)