# sera Bio\* nitrivec 2.500 ml — biological aquarium water treatment

**URL:** https://aio.lv/en/product--sera-se-03779--12055671
**Data updated:** 2026-03-12 19:39 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** sera
**Manufacturer code:** SE-03779
**EAN:** 4001942037792
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 68.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 56.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sera-se-03779--12055671

## 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

sera Bio\* nitrivec 2.500 ml is a biological aquarium water treatment designed to support nitrification processes. Supplied as a 2,500 ml liquid, it contains biological agents to help reduce toxic nitrogen compounds and stabilize water quality. Suitable for freshwater aquaria to aid cycle establishment, reduce ammonia and nitrite spikes, and support fish health during setup or maintenance.

## Long description

sera Bio\* nitrivec 2.500 ml is a biological aquarium water treatment formulated to support and accelerate nitrification in freshwater tanks. Supplied as a 2,500 ml liquid, the product contains living nitrifying bacteria and stabilizing agents intended to reduce ammonia and nitrite levels during aquarium startup, after water changes, or following biological disturbances. The formulation aims to help establish and maintain a stable biological filter, promoting safer water conditions for fish and invertebrates without altering water chemistry when used as directed.
Advantages
sera Bio\* nitrivec provides a concentrated dose of nitrifying microorganisms to help convert toxic ammonia and nitrite into less harmful nitrate, reducing the risk of nitrogen spikes. The liquid format allows for simple dosing and even distribution throughout the aquarium. Use of this product supports the biological filter, helping to shorten acclimation periods for new tanks and to re-establish beneficial bacteria after maintenance or medication treatments.
Suitable for
Establishing biological filtration in newly set up freshwater aquaria
Reducing ammonia and nitrite peaks after stocking or feeding changes
Restoring beneficial bacteria following filter cleaning or medication
Supporting fish health during routine water changes and maintenance
Key specifications
Volume: 2,500 ml liquid treatment
Intended use: freshwater aquaria
Function: supplies nitrifying bacteria to support ammonia and nitrite conversion
Formulation: concentrated biological preparation for direct dosing
Effect on water: designed to stabilize biological filtration without significant chemical alteration when used as recommended
How to use
Apply sera Bio\* nitrivec directly to aquarium water according to the manufacturer dosing instructions on the label. Ensure recommended dosages are followed based on tank volume and water conditions. Distribute the product evenly by adding it at multiple points or near filter inflow to promote dispersion. Continue regular monitoring of ammonia, nitrite and nitrate levels, and repeat dose as indicated after significant water changes, heavy stocking or following treatments that reduce bacterial populations.
Usage recommendations
For best results, maintain stable temperature and aeration to support bacterial activity. Avoid overdosing and follow label directions for dosing intervals. Combine with mechanical and biological filtration and regular water testing to achieve and maintain optimal water quality.

## FAQ

### How much does the sera Bio\* nitrivec 2.500 ml — biological aquarium treatment cost, and is it available for purchase?

The price is 68.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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. 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 sera 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 sera 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/12055671/67541702_large.webp