---
product_id: 732035477
title: "Matrix, 4 L / 1 gal. by Seachem"
brand: "seachem"
price: "£123.36"
currency: GBP
in_stock: true
category: "Seachem"
url: https://www.desertcart.co.uk/products/732035477-matrix-4-l-1-gal-by-seachem
store_origin: GB
region: United Kingdom
---

# 170 sq ft surface area/L Natural biofilter media Compatible with all filter types Matrix, 4 L / 1 gal. by Seachem

**Brand:** seachem
**Price:** £123.36
**Availability:** ✅ In Stock

## Summary

> ♻️ Elevate your aquarium’s health with nature’s ultimate biofilter!

## Quick Answers

- **What is this?** Matrix, 4 L / 1 gal. by Seachem by seachem
- **How much does it cost?** £123.36 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/732035477-matrix-4-l-1-gal-by-seachem)

## Best For

- seachem enthusiasts

## Why This Product

- Trusted seachem brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Natural & Chemically Inert:** Promotes healthy bacterial growth without altering aquarium pH
- • **Bulk Supply for Long-Term Use:** 4L volume treats up to 100 gallons, perfect for serious aquarists
- • **Universal Filter Compatibility:** Works seamlessly with canister, hang-on-back, and other filter systems
- • **Maximize Biofiltration Efficiency:** 170 sq ft surface area per liter delivers unmatched ammonia and nitrate removal
- • **Organic Variation, Consistent Performance:** Natural size and shape variations ensure authentic, reliable filtration

## Overview

Seachem Matrix is a premium, highly porous natural biofilter media offering over 170 square feet of surface area per liter, equivalent to 10 gallons of plastic ball media. Designed for freshwater, marine, and reef aquariums, it efficiently removes ammonia, nitrites, and nitrates in a single location. Chemically inert and organic, Matrix supports robust bacterial growth without affecting pH and is compatible with all filter types, especially canister filters. Sold in bulk 4L packs, it treats up to 100 gallons, making it ideal for dedicated aquarium enthusiasts.

## Description

The Matrix is an extremely porous media designed to provide extremely efficient bio-filtration to remove ammonia, nitrates and nitrates from freshwater, marine and coral reef aquariums in a single spot. Over 160,000 cm2 (170 square feet) surface area per litre, equivalent to over 40 liters (10 gallons) of common plastic ball media! This product is sold in bulk. Quoted weight is minimum weight. Matrix is a naturally mined chemically inert material to promote the growth of biofiltering in aquariums and ponds. Matrix is organic, so size, shape, shade and density may vary slightly from package to package. These variations and small irregularities in size are completely natural and will not affect the integrity of the product and the ability to maintain water quality. It also does not affect the pH in the system

## Features

- Premium natural bio filter to control ammonia, nitrates and nitrates
- Highly porous media designed to provide highly effective bio-filtration for single location removal of ammonia nitrates and nitrites
- Provides over 170 square feet of surface equivalent to 10 gallons of common plastic ball media per liter of matrix
- Matrix can be used with all types of filters, especially effective on canister filters
- 250ml handles 25 gallons

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item model number | 001051 |
| Is Discontinued By Manufacturer | No |
| Item Form | Liquid |
| Volume | 4 Liters |
| batteries required | No |
| Batteries Included | No |
| External Testing Certification | Não aplicável |

## Product Details

- **Brand:** seachem
- **Liquid Volume:** 4 Liters
- **Item Weight:** 2.32 Kilograms
- **Item Form:** Liquid
- **Manufacturer:** Seachem Laboratories, Inc.

## Images

![Matrix, 4 L / 1 gal. by Seachem - Image 1](https://m.media-amazon.com/images/I/61osvt6MSjL.jpg)

## Frequently Bought Together

- Seachem Matrix, 4 L / 1 gal.
- Fluval FX5 Fine Filter Water Polishing Pad - 3-Pack
- Seachem Indoor Purigen Organic Filtration Resin - Fresh and Saltwater 100 ml

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-30*