How To Make a DIY CO2 System for Your Aquarium
The setup is similar: connect two plastic bottles with plastic tubing that then diffuses into the aquarium . Use equal parts of baking soda and citric acid; in one bottle use 1:1 baking soda to water and 1:3 citric acid to water in the other.
To make your own CO2 reactor for an aquarium , you will need two 2-litre bottles , tubing, and a CO2 generator kit. You will also need baking soda , citric acid, and water to create the CO2 mixture.

How to Make a CO2 Reactor for an Aquarium
To make your own CO2 reactor for an aquarium , pour baking soda and water into a 2 liter bottle and write an A on that bottle with a permanent marker. In a second bottle , marked with B, mix citric acid and water.

Want to supply your aquarium plants with CO2 without a big investment? In this video, we'll show you a simple and clever solution using a SodaStream bottle t...
DIY CO2 for Aquarium
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