# AquaNatura Biological Filter Brick media 38×38×30 mm, 20 kg pack

**URL:** https://aio.lv/en/product--aquanatura-tn-45144--12270566
**Data updated:** 2026-04-16 16:29 (EEST)
**Category:** Aquarium Supplies
**Manufacturer:** AquaNatura
**Manufacturer code:** TN-45144
**EAN:** 5904479451446
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 174.99 €
**Prices and availability valid until:** 2026-08-10 23:59
**Price without VAT (21%):** 144.62 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--aquanatura-tn-45144--12270566

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.07.2026 | free |
| Pickup points | 04.08.2026 | 1.89 EUR |
| Courier delivery to door | 04.08.2026 | 4.99 EUR |

## Summary description

AquaNatura Biological Filter Brick media are ceramic-style filtration blocks sized 38×38×30 mm sold in a 20 kg pack. Designed for biological filtration in aquariums and ponds, they provide a large surface area for beneficial bacteria colonization, improving nitrification and water clarity. Suitable for canister filters, sump systems and fluidized beds.

## Long description

AquaNatura Biological Filter Brick media are ceramic-style filtration blocks sized 38×38×30 mm, supplied in a 20 kg pack for aquarium and pond biological filtration. These media provide extensive porous surface area for colonisation by nitrifying bacteria, supporting the biological removal of ammonia and nitrite. The blocks are designed to be compatible with a variety of filtration setups including canister filters, sumps and fluidised beds, allowing integration into existing systems to improve water quality and clarity.
Advantages
The AquaNatura Biological Filter Brick offers a stable, inert ceramic material that resists degradation and maintains structural integrity in freshwater and pond environments. Its uniform brick shape and consistent dimensions make packing, layering and media-retention straightforward in filter chambers. The high internal porosity increases contact area for beneficial bacteria, improving nitrification efficiency and helping to stabilise aquarium and pond ecosystems over time.
Suitable for
 Canister filters in home aquaria
 Sump systems in marine or freshwater setups
 Pond filtration units and external wet/dry filters
 Fluidised bed filters and reactors designed for granular/brick media
When it may not be suitable
These ceramic bricks are intended specifically for biological filtration and are not intended to be used as a mechanical polishing media; fine particulates may pass through and require separate mechanical filter pads or floss. They are sized for systems that can accommodate 38×38×30 mm blocks; very small filters or compact cartridge systems with fixed media compartments may not accept this shape or size.
Key specifications
 Material: ceramic-style porous filtration media
 Dimensions per block: 38 × 38 × 30 mm
 Pack weight: 20 kg
 Intended use: biological filtration for freshwater and pond systems
 Form: rigid brick-shaped blocks with internal porosity
How to use
Rinse the filter bricks gently in dechlorinated water to remove dust from packaging before first use. Place the bricks in the biological stage of a canister, sump or pond filter so that water flow passes through the media for effective contact with the internal porous surface. Avoid compressing the bricks tightly against filter walls or screens; allow even flow and some void space for water movement. For fluidised bed applications, ensure the reactor is rated to handle rigid brick-shaped media or consider using a contained chamber that provides controlled flow.
What to consider before purchase
 Check internal filter dimensions and media chamber size to confirm 38×38×30 mm blocks fit
 Determine required volume of biological media for your aquarium/pond to achieve effective nitrification
 Plan for separate mechanical filtration if fine particulate removal is needed
 Confirm suitability for freshwater or pond systems as required
Usage recommendations
Introduce the bricks gradually into an established biological filter where possible; monitor ammonia and nitrite levels during the initial colonisation period. Maintain stable flow and avoid frequent complete media replacement — replace only damaged or heavily clogged blocks and preserve bacterial colonies by rinsing gently in aquarium water during routine maintenance.

## FAQ

### How much does the AquaNatura Biological Filter Brick 38×38×30 mm cost, and is it available for purchase?

The price is 174.99 € (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 30.07.2026 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 AquaNatura Biological Filter Brick 38×38×30 mm 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 AquaNatura 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 AquaNatura 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/12270566/68190705_large.webp