CO2 Tablets for Aquarium Plants – Carbon Dioxide Diffuser
CO2 Tablets for Aquarium Plants – Carbon Dioxide Diffuser
CO2 Tablets for Aquarium Plants – Effortless Carbon Dioxide for a Thriving Tank
Give your aquatic plants and fish the environment they deserve with these easy-to-use CO2 Tablets. Simply drop a tablet into your aquarium water and watch your plants flourish through improved photosynthesis — no complicated equipment required. Ideal for planted tanks, aquascaping enthusiasts, and anyone who wants lush, healthy underwater greenery with minimal effort.
Key Features
- Boosts Photosynthesis: Increases the CO2 content in your fish tank water, helping aquatic plants grow faster and more vigorously.
- Healthier Environment for Fish: A well-planted tank with balanced CO2 creates a healthier, more natural living space for your fish.
- Flexible Placement: Place the tablet anywhere in your tank — it dissolves quickly and the CO2 is easily absorbed by plants throughout the aquarium.
- Simple Dosing: Use one tablet per 20 litres of water, once or twice a week. No mixing, no measuring — just drop and go.
- Enhanced with a CO2 Atomizer: For even better results, place the tablet inside a CO2 atomizer/diffuser to maximise distribution throughout the tank.
- Safe Formula: Contains no high-concern chemicals — safe for fish, plants, and invertebrates when used as directed.
Specifications
| Item Type | CO2 Tablet |
| Package Size | 7 × 7 × 7 cm (2.8 × 2.8 × 2.8 in) |
| Dosage | 1 tablet per 20L water, 1–2× per week |
| Country of Origin | Made in Mainland China |
Package Contents
- 1 × Bottle of CO2 Tablets
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Learn more: U.S. Fish and Wildlife Service
Frequently Asked Questions
Q: How do I use CO2 tablets in my aquarium?
A: Simply drop one CO2 tablet directly into your aquarium water for every 20 litres of water. Use the tablets once or twice a week for best results. For even more effective CO2 distribution, place the tablet inside a CO2 atomizer or diffuser before adding it to the tank.
Q: Are these CO2 tablets safe for fish and invertebrates?
A: Yes. The formula contains no high-concern chemicals and is safe for fish, aquatic plants, and invertebrates when used as directed. Always follow the recommended dosage of one tablet per 20L to maintain a balanced aquarium environment.
Q: Will CO2 tablets help my aquarium plants grow better?
A: Absolutely. Aquatic plants require carbon dioxide for photosynthesis. These CO2 tablets dissolve in the water and increase the available CO2 level, which directly supports faster, healthier plant growth and contributes to a more vibrant, lush planted aquarium.
Q: How many tablets come in one bottle?
A: Each order includes one bottle of CO2 tablets. The bottle is compact at 7 × 7 × 7 cm, making it easy to store near your aquarium setup.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.