# Fluval Ammonia Remover Cartridge for AC50 Filters — replacement media FV-6321

**URL:** https://aio.lv/en/product--fluval-fv-6321--12029228
**Data updated:** 2026-03-12 16:37 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** Fluval
**Manufacturer code:** FV-6321
**EAN:** 015561196321
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fluval-fv-6321--12029228

## 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 Ammonia Remover cartridge FV-6321 is a replacement filter media designed for use with AC50 aquarium filters. It targets and reduces dissolved ammonia to help maintain healthier water conditions for freshwater tanks. The cartridge installs in the filter’s media basket and is intended for periodic replacement to support water quality and reduce ammonia-related stress in fish.

## Long description

Fluval Ammonia Remover Cartridge for AC50 Filters (FV-6321) is a replacement media designed to reduce dissolved ammonia in freshwater aquariums. Engineered to fit AC50 filter systems, the cartridge installs into the filter’s media basket and works as part of a multi-stage filtration approach to lower ammonia levels that can stress fish and other aquatic life.
Advantages
The cartridge provides targeted ammonia reduction without altering water chemistry beyond removing toxic ammonia compounds. Its compact design allows quick insertion and removal within the AC50 filter media basket, enabling scheduled media changes. Using a specifically formulated media helps maintain clearer water and supports a more stable environment for common freshwater species.
Suitable for
 Freshwater aquariums using AC50 filter systems
 Community fish tanks where ammonia control is important
 Systems recovering from stocking changes, overfeeding, or cycling issues
 Situations where targeted chemical filtration is preferred over general mechanical or biological media
Key specifications
 Designed for AC50 canister filter media basket compatibility
 Chemical media formulated to reduce dissolved ammonia
 Single-use cartridge intended for periodic replacement
 Compact rectangular cartridge shape for easy handling and installation
How to use
Shut off and disconnect the AC50 filter according to the manufacturer’s instructions before opening the canister. Remove the existing media cartridge from the media basket and insert the Fluval Ammonia Remover cartridge in its place, ensuring proper seating. Reassemble the filter, restore power, and verify normal operation. Replace the cartridge at intervals recommended by water tests, stocking density, and aquarium conditions to maintain ammonia control.
Usage recommendations
For effective ammonia management, use this cartridge in combination with regular water testing and routine mechanical and biological filtration maintenance. Monitor ammonia levels after installation and replace the cartridge when readings indicate reduced performance or as part of your regular maintenance schedule.

## FAQ

### How much does the Fluval Ammonia Remover Cartridge FV-6321 cost, and is it available for purchase?

The price is 5.49 € (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. 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 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