When should i add co2 to my aquarium?

Adding CO2 to your aquarium is typically recommended for planted tanks where aquatic plants can benefit from the additional carbon dioxide for photosynthesis. Here are some general guidelines on when to add CO2 to your aquarium:

1. Planted Tanks: If you have a heavily planted aquarium with high light levels, adding CO2 can help promote healthy plant growth and prevent algae overgrowth.

2. During Light Hours: CO2 should be added during the light hours when plants are actively photosynthesizing. This is usually when your aquarium lights are on.

3. Consistent Schedule: It's important to maintain a consistent CO2 injection schedule to provide a stable environment for your plants. Sudden fluctuations in CO2 levels can stress fish and plants.

4. Monitor Levels: Use a CO2 drop checker or monitor to ensure that CO2 levels are within the optimal range for your plants (usually around 20-30 ppm).

5. Start Slow: If you're new to adding CO2, start with a low dosage and gradually increase it while monitoring plant and fish behavior to avoid overdosing.

6. Adjust Based on Plant Growth: Monitor your plants' growth and adjust CO2 levels accordingly. If plants show signs of deficiency or algae growth, you may need to fine-tune your CO2 injection.

Remember to research the specific needs of your plants and fish species, as some may be more sensitive to changes in CO2 levels. It's also a good idea to consult with experienced aquarists or professionals for personalized advice based on your aquarium setup.