# CO2 injection system Fluval Bio-CO2 Pro for aquariums up to 250 L

**URL:** https://aio.lv/en/product--fluval-fv-84632--12013390
**Data updated:** 2026-03-11 20:47 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** Fluval
**Manufacturer code:** FV-84632
**EAN:** 015561184632
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 129.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 107.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fluval-fv-84632--12013390

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Fluval Bio-CO2 Pro is a CO2 injection system designed for planted aquariums up to 250 liters. The unit delivers controlled carbon dioxide dosing to support aquatic plant growth, improve photosynthesis and maintain healthy plant development. Suitable for hobby aquaria, it helps stabilize plant nutrition and can be used in freshwater planted setups where consistent CO2 supply is required.

## Long description

Fluval Bio-CO2 Pro is a CO2 injection system engineered for planted freshwater aquariums up to 250 L. The unit provides a metered supply of carbon dioxide to support aquatic plant photosynthesis and growth, helping to maintain balanced plant nutrition and consistent environmental conditions in hobby and advanced planted setups. Designed for ease of installation and daily use, the system integrates with standard aquarium plumbing and can be adjusted to match plant density and lighting regimes.
Advantages
The Fluval Bio-CO2 Pro supplies a controlled and steady CO2 concentration, reducing pH fluctuations and promoting even plant development. Its design supports straightforward setup and reliable dosing without complex maintenance. The system is compatible with commonly used aquarium equipment and allows for adjustments to dosing rate, making it suitable for a range of planted aquaria. Materials and fittings are selected to withstand aquarium conditions and deliver consistent performance over time.
Suitable for
 Freshwater planted aquariums up to 250 liters
 Hobbyists stabilizing plant growth and photosynthesis
 Setups with moderate to high plant density and supplemental lighting
 Aquaria requiring stable CO2 dosing to support dosing of fertilizers
Key specifications
 Intended aquarium volume: up to 250 liters
 CO2 delivery: metered injection suitable for planted freshwater tanks
 Compatibility: connects to standard aquarium tubing and fittings
 Adjustability: user-adjustable dosing rate to match plant load and lighting
 Construction: components designed for aquarium use and prolonged exposure to humidity
How to use
Install the Fluval Bio-CO2 Pro following the manufacturer's included instructions, connecting the unit to a CO2 source and routing delivery tubing into the aquarium near plant areas for even distribution. Begin with a conservative dosing rate and monitor plant response and water parameters, especially pH and CO2 concentration, making incremental adjustments until desired growth and stability are achieved. Regularly inspect connections and replace consumable components as recommended to ensure consistent performance.
Usage recommendations
Start CO2 dosing during the aquarium's light period and reduce or stop dosing during darkness. Combine this CO2 system with appropriate fertilizer dosing and stable lighting to support healthy plant growth. Monitor pH and general water chemistry when adjusting CO2 levels, and ensure adequate surface agitation or flow to maintain oxygenation for fish while supplying CO2 to plants.

## FAQ

### How much does the Fluval Bio-CO2 Pro CO2 system for aquariums 250L cost, and is it available for purchase?

The price is 129.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Fluval Bio-CO2 Pro CO2 system for aquariums 250L be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Fluval products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Fluval service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12013390/67502292_large.webp