---
product_id: 47936919
title: "MarinePure CerMedia Block Bio-Filter Media for Marine and Freshwater Aquariums, 8 by 8 by 4-Inch"
brand: "marinepure"
price: "$139.11"
currency: USD
in_stock: true
category: "Marine Pure"
url: https://www.desertcart.us/products/47936919-marinepure-cermedia-block-bio-filter-media-for-marine-and-freshwater
store_origin: US
region: United States of America
---

# Lightweight yet more effective than live rock Open-flow porosity for max water circulation 8x8x4 inch ceramic block MarinePure CerMedia Block Bio-Filter Media for Marine and Freshwater Aquariums, 8 by 8 by 4-Inch

**Brand:** marinepure
**Price:** $139.11
**Availability:** ✅ In Stock

## Summary

> 🧪 Elevate your aquarium’s health with cutting-edge ceramic bio-filtration!

## Quick Answers

- **What is this?** MarinePure CerMedia Block Bio-Filter Media for Marine and Freshwater Aquariums, 8 by 8 by 4-Inch by marinepure
- **How much does it cost?** $139.11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/47936919-marinepure-cermedia-block-bio-filter-media-for-marine-and-freshwater)

## Best For

- marinepure enthusiasts

## Why This Product

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

## Key Features

- • **Targets Harmful Toxins:** Specifically engineered to reduce ammonia, nitrites, and nitrates for healthier aquatic life.
- • **Open-Flow Porosity Design:** Ensures optimal water flow, enhancing ammonia and nitrate removal efficiency.
- • **Lightweight Alternative to Live Rock:** Easier to handle and install without compromising filtration power.
- • **Versatile Use in Marine & Freshwater:** Perfect for sumps, canister filters, and large filtration systems.
- • **Vast Surface Area for Superior Filtration:** Maximizes beneficial bacteria colonization to keep your aquarium pristine.

## Overview

The MarinePure CerMedia Block is an 8x8x4 inch inert ceramic bio-filter media designed to enhance marine and freshwater aquarium filtration. Featuring a vast surface area and open-flow porosity, it effectively reduces ammonia, nitrites, and nitrates, outperforming traditional live rock while being lightweight and easy to use in sumps and large filters.

## Description

Product Description Ceramic Bio-Filter Media with Vast Surface Area AND Open-Flow Porosity. Designed to improve upon deep sand beds or live rock to lower nitrates in marine & freshwater aquariums. Will also remove ammonia & nitrites. Use in sumps or in extra large filters.The product is from a naturally occurring pumice that can range in colors from white to light brown. A light film developing on the media is one of the keys to it working and is perfectly.Specifically designed to target ammonia and nitrite removal and minimizes nitratesnormal.Used in canister filters.Specifically designed to target ammonia and nitrite removal and minimizes nitrates Directions Use this ceramic bio-filter media in sumps or extra large filters in marine and freshwater aquariums to improve water quality by reducing nitrates, ammonia, and nitrites.

## Features

- Ceramic Bio-filter Media with Vast Surface Area AND Open-Flow Porosity
- Nitrate Reduction
- Ammonia and Nitrate Removal
- Lighter and more effective than Live Rock
- Inert Ceramic

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00HYUY35W |
| Allergen Information | Nut Free |
| Best Sellers Rank | 86,367 in Pet Supplies ( See Top 100 in Pet Supplies ) 2,873 in Aquarium Pumps & Filters |
| Brand Name | MarinePure |
| Country Of Origin | USA |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,358) |
| Global Trade Identification Number | 00857246002035 |
| Included Components | All |
| Item Form | Granules |
| Item Type Name | filter media |
| Manufacturer | CerMedia MarinePure |
| Manufacturer Part Number | 900501 |
| Model Number | 8" x 8" x 4" Block |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pet Type | Fish |
| Target Species | Fish |
| UPC | 857246002035 |
| Unit Count | 1 count |

## Product Details

- **Brand:** MarinePure
- **Item form:** Granules
- **Manufacturer:** CerMedia MarinePure
- **Number of Packs:** 1
- **Unit count:** 1 count

## Images

![MarinePure CerMedia Block Bio-Filter Media for Marine and Freshwater Aquariums, 8 by 8 by 4-Inch - Image 1](https://m.media-amazon.com/images/I/91jjpWZFG4L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Frequently Bought Together

- CerMedia MarinePure Block Bio-Filter Media for Marine and Freshwater Aquariums, 8 by 8 by 4-Inch
- CerMedia MarinePure 1.5-Inch Sphere Bio-Filter Media for Marine and Freshwater Aquariums, 2-Quart

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**Shop now:** [https://www.desertcart.us/products/47936919-marinepure-cermedia-block-bio-filter-media-for-marine-and-freshwater](https://www.desertcart.us/products/47936919-marinepure-cermedia-block-bio-filter-media-for-marine-and-freshwater)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-27*