Colombo Co2 basic refill
12 gram CO2 Refill Bottle — for the Colombo CO2 Basic Set
Easy to replace — keep your CO2 system always optimal
✅ Level: Easy — Replace empty bottle with a new one. No tools required.
The Colombo CO2 Basic Refill is the 12 gram CO2 refill bottle for the Colombo CO2 Basic Set. Easy to replace as soon as the previous bottle is empty — ensuring your CO2 system always works optimally for healthy plant growth.
🌱 Product Specifications
| Type | CO2 refill bottle |
| Content | 12 grams of CO2 |
| Compatible with | Colombo CO2 Basic Set |
| Replacement | Easy — no tools required |
| Brand | Colombo |
🚚 Delivery & Warranty
- Fast delivery from our store — ready to use immediately
- Shipping Tuesday or Friday → Read more about shipping
- Delivery with track & trace, usually within 1–2 business days
- Problem with your order? We will solve it together.
- Free shipping from €59,-
✂️ Usage Tips
Replace the bottle as soon as the CO2 dosage decreases or the bottle is empty. Use the Colombo CO2 Indicator to monitor the CO2 value and adjust the dosage. The ideal CO2 value for aquarium plants is between 20–30 mg/l.
💡 Tip
Always keep a spare refill bottle in stock — this way your CO2 system never stops and your plants continue to grow optimally.
❓ Frequently Asked Questions
How long does a refill bottle last?
The duration depends on the aquarium size and the set dosage. Use the Colombo CO2 Indicator to accurately adjust the dosage.
Does this refill also fit other CO2 sets?
This refill bottle is specifically for the Colombo CO2 Basic Set. For larger systems, the Colombo CO2 Cylinder 1200 grams is available.
Do you have another question? Feel free to contact us — we are happy to help you make the right choice for your aquarium.
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- Largest range of aquarium plants in the Benelux
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- Always with track & trace code via email
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