# CO2 set Tetra CO2-Optimat (single piece) — Tetra 04605

**URL:** https://aio.lv/en/product--tetra-04605--12054028
**Data updated:** 2026-03-12 19:37 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** Tetra
**Manufacturer code:** 04605
**EAN:** 4004218735668
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 30.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 25.61 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tetra-04605--12054028

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Tetra CO2-Optimat is a single-piece CO2 set by Tetra (MPN 04605) designed to supply carbon dioxide for planted aquariums. The kit provides a compact solution for introducing CO2 to aquarium water to support aquatic plant growth and improve photosynthesis. Intended for hobby aquarists, it is suitable for small to medium setups where controlled CO2 dosing is required.

## Long description

Tetra CO2-Optimat (single piece) is a compact CO2 dosing set designed for planted aquariums. It supplies carbon dioxide to aquarium water to support aquatic plant growth and stabilize photosynthesis. The single-piece design simplifies installation and maintenance while offering a discreet solution for small to medium aquarium setups that require controlled CO2 enrichment.
Advantages
The Tetra CO2-Optimat set combines a compact footprint with straightforward operation, enabling reliable CO2 supply without complex assembly. Its single-piece configuration reduces the number of connections and potential leak points, and is suitable for hobby aquarists who prefer a simple, integrated dosing option. The set is designed to integrate with standard aquarium equipment and to deliver stable CO2 levels when used according to instructions.
Suitable for
 Small to medium planted aquariums
 Aquarists seeking a simple single-piece CO2 dosing solution
 Systems where discreet, space-saving equipment is required
 Improving plant growth and supporting photosynthesis in freshwater tanks
Key specifications
 Type: Single-piece CO2 dosing set for aquariums
 Application: CO2 enrichment for planted freshwater aquaria
 Compatibility: Designed for integration with standard aquarium tubing and equipment
 Installation: Compact, low-profile unit intended for simple mounting or placement
 Operation: Provides controlled CO2 supply suitable for small to medium tanks
How to use
Install the Tetra CO2-Optimat set following the manufacturer's guidance, connecting it to an appropriate CO2 source and aquarium tubing. Position the unit safely outside or inside the cabinet or on the aquarium rim as recommended, ensuring tubing runs securely to the diffuser or distribution point in the tank. Adjust CO2 delivery according to plant requirements and monitor water parameters such as pH and KH to maintain safe and effective CO2 levels. Regularly inspect connections for leaks and perform routine maintenance to ensure consistent operation.
Usage recommendations
Use the CO2 set together with appropriate diffusers and regulators, and monitor aquarium water chemistry to avoid excessive CO2 concentrations. For best results, combine CO2 dosing with balanced lighting and nutrient dosing tailored to planted aquarium needs.

## FAQ

### How much does the Tetra CO2-Optimat CO2 set — Tetra 04605 cost, and is it available for purchase?

The price is 30.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 70 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 15.07.2026 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/12054028/67540091_large.webp