Tetra Co2Plus
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Liquid CO2 Fertilizer for Lush Plant Growth — Without a CO2 System
250 ml — safe for fish and aquarium inhabitants
✅ Level: Easy — Dose daily. No CO2 system or special equipment needed.
Tetra Co2Plus is a carbon-based liquid fertilizer that provides aquarium plants with the essential plant nutrient CO2 without the complexity of a CO2 system. CO2 is the most important building block for plant growth — a deficiency leads to slow growth, pale leaves, and increased algae pressure. Easy to dose and safe for fish.
🌱 Product Specifications
| Type | Liquid CO2 fertilizer (carbon-based) |
| Content | 250 ml |
| Function | CO2 supplement for plant growth |
| Additional effect | Reduces algae pressure through healthy plant growth |
| Safe for | Fish and aquarium inhabitants |
| Usage | Dose daily |
| Brand | Tetra |
🚚 Delivery & Warranty
- Quickly delivered 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. Contact us via our customer service.
- Free shipping from €59,-
✂️ Usage Tips
Dose daily in the morning when the lights turn on. Combine with Tetra PlantaMin for complete plant nutrition — Co2Plus provides carbon, PlantaMin provides iron and micronutrients. Use in combination with good lighting for the best results.
💡 Tip
Ideal for heavily planted aquariums without a CO2 system — the liquid CO2 gives plants the extra boost they need for fast and healthy growth.
❓ Frequently Asked Questions
Is Co2Plus a replacement for a CO2 system?
Co2Plus is a supplement, not a complete replacement. For intensely planted aquariums with demanding plants, a CO2 system is more effective. Co2Plus is ideal for lightly to moderately planted aquariums.
Is Co2Plus safe for shrimp?
Yes — Co2Plus is safe for fish and aquarium inhabitants when used and dosed correctly.
Do you have another question? Feel free to contact us — we are happy to help you make the right choice for your aquarium.