Citric Acid

Citric Acid for Aquarium CO2 Generator
Citric Acid for DIY Aquarium CO2 Systems is an essential ingredient for generating carbon dioxide (CO2) for planted aquariums. When combined with baking soda (sodium bicarbonate), citric acid produces CO2, which aquatic plants use for photosynthesis. This makes it a useful component for DIY CO2 generator systems designed to support healthy aquatic plant growth.
Whether you are maintaining a planted aquarium or creating a new aquascape, a CO2 generator can help provide additional carbon dioxide to support plant growth and enhance the appearance of your aquatic plants when used correctly.
Key Features and Benefits
- Ideal for DIY CO2 Generators: Suitable for citric acid and baking soda-based aquarium CO2 generation systems.
- Supports Aquatic Plant Growth: Helps supply CO2 for photosynthesis in planted aquariums.
- Suitable for Planted Tanks: A useful ingredient for freshwater aquariums with live aquatic plants.
- Easy to Prepare: Can be dissolved in water before use according to your CO2 generator’s instructions.
- Reusable CO2 System Compatibility: Suitable for repeated CO2 generation cycles when used with a compatible, properly maintained system.
How Does Citric Acid Generate CO2?
When citric acid reacts with baking soda in the presence of water, the reaction releases carbon dioxide gas. A DIY CO2 generator uses this reaction to produce CO2, which can then be delivered to the aquarium through suitable tubing and a CO2 diffuser.
For best results, use a compatible CO2 generator with appropriate pressure-rated components, and carefully regulate the CO2 supply according to your aquarium’s needs.
How to Use Citric Acid in a DIY Aquarium CO2 Generator
For a two-bottle CO2 generator designed for citric acid and baking soda:
- Prepare Bottle A: Dissolve 200 g of citric acid in 600 ml of water, following the generator manufacturer’s instructions.
- Prepare Bottle B: Add 200 g of baking soda and 200 ml of water, if specified by the system manufacturer.
- Connect the System: Secure the bottles using compatible caps, tubing, valves, and pressure-rated fittings.
- Start CO2 Generation: Follow the generator manufacturer’s starting procedure to initiate the reaction.
- Regulate CO2 Delivery: Adjust the CO2 supply carefully and monitor the aquarium to avoid excessive CO2 concentrations.
Important Safety Notice: CO2 generation creates pressure inside the bottles. Use only containers and fittings specifically rated for the intended pressure. Never use ordinary beverage bottles or other unverified containers in a pressurized system. Never exceed the manufacturer’s pressure limits or open a pressurized container. Monitor aquarium pH and livestock behaviour when introducing CO2.
Buy Citric Acid for Aquarium CO2 Generation in Sri Lanka
Looking for citric acid for your DIY aquarium CO2 generator? Shop at AquariumZone.LK, operated by Minipura Aqua (Pvt) Ltd, for aquarium supplies and products for planted tanks in Sri Lanka.
Choose the right ingredients for your CO2 system and support a healthy, thriving planted aquarium.
Upgrade your aquarium setup with the Citric Acid – Order now and experience the difference!






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