# CO2 cartridge bottle Tetra CO2-Depot 11 g for aquarium use, model 03346

**URL:** https://aio.lv/en/product--tetra-03346--12039450
**Data updated:** 2026-03-12 16:48 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** Tetra
**Manufacturer code:** 03346
**EAN:** 4004218751859
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 12.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tetra-03346--12039450

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Tetra CO2-Depot is an 11 g CO2 cartridge designed for aquarium applications. This compact CO2 bottle (model 03346) supplies carbon dioxide to plant systems and compatible diffusers or regulators. It is intended for use as a replaceable cartridge in CO2 setups, providing a portable source of CO2 for maintaining aquatic plant growth and stable water chemistry.

## Long description

Tetra CO2-Depot 11 g is a compact CO2 cartridge designed for aquarium use. The cartridge provides a controlled source of carbon dioxide that supports aquatic plant photosynthesis and helps maintain stable water chemistry when used with compatible diffusers, regulators or cartridge holders. Its small size makes it suitable as a replaceable cartridge in portable or compact CO2 dosing setups for planted aquaria.
Advantages
The cartridge delivers a measured amount of carbon dioxide in a compact, sealed form factor that is easy to replace. Its standardized shape and single-use design allow quick swap-outs without complex installation steps. Because it is intended specifically for aquarium applications, it integrates with a range of compatible CO2 regulators and diffusers to support consistent dosing of CO2 to aquatic plants.
Suitable for
Small to medium planted aquariums that require periodic CO2 supplementation
Portable CO2 dosing systems and compact regulators
Temporary or trial CO2 setups for evaluating plant growth
Diffusers and systems compatible with 11 g CO2 cartridges
Key specifications
Gas type: Carbon dioxide (CO2)
Net fill: 11 grams
Intended use: Aquarium plant CO2 supplementation
Form factor: Single-use, sealed cartridge suitable for compatible regulators and diffusers
Compatibility: Designed for systems that accept 11 g CO2 cartridges
How to use
Install the cartridge only in devices and holders designed for 11 g CO2 cartridges according to the device manufacturer’s instructions. Ensure all connections are secure and check for any visible damage on the cartridge before installation. Operate the regulator or diffuser following its user manual to control CO2 flow and concentration. Replace the cartridge when gas output declines or according to the consumption rate of your aquarium setup. Dispose of the empty cartridge in line with local regulations for pressurized containers.
Usage recommendations
Monitor water parameters and plant health after installation to adjust CO2 supply as needed. Use this cartridge with compatible equipment rated for 11 g cartridges and avoid modifying the cartridge or device. Store unused cartridges in a cool, dry place away from direct heat sources and out of reach of children and pets.

## FAQ

### How much does the Tetra CO2-Depot 11 g CO2 cartridge 03346 cost, and is it available for purchase?

The price is 15.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 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 13.07.2026 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. All transactions are 100% secure and encrypted.

### 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 Tetra 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 Tetra 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/12039450/67526688_large.webp