Just add citric acid, baking soda, water into the bottle, which can produce carbon dioxide. The plant metabolic rate can be increased quickly, create the best growing conditions for fishes. It is the best choice of making CO2 equipment at home. The safety valve will open automatically when the pressure is over the safe pressure. A large amount of CO2 may cause fish dead. It is recommended to reduce the CO2 volume at the beginning, 1 or 2 bubbles per second. One time’s reaction can last for 3 to 4 weeks using.
- Colour: Silver
- Material: Stainless steel
- Aquarium: Aquarium accessories
- 1L: Citric acid 100 g + baking soda 100 + water 150 g
- 2L: Citric acid 200 g + baking soda 200 + water 300 g
- 2L double: Citric acid 400 g + baking soda 400 + water 600 g