---
product_id: 11796010
title: "CerMedia MarinePure Block Bio-Filter Media for Marine and Freshwater Aquariums, 8 by 8 by 4-Inch, white to off white"
brand: "cermedia marinepure"
price: "¥27964"
currency: JPY
in_stock: true
category: "Cer Media Marine Pure"
url: https://www.desertcart.jp/products/11796010-cermedia-marinepure-block-bio-filter-media-for-marine-and-freshwater
store_origin: JP
region: Japan
---

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

**Brand:** cermedia marinepure
**Price:** ¥27964
**Availability:** ✅ In Stock

## Summary

> 🧼 Elevate your aquarium’s ecosystem with the ultimate bio-filter block!

## Quick Answers

- **What is this?** CerMedia MarinePure Block Bio-Filter Media for Marine and Freshwater Aquariums, 8 by 8 by 4-Inch, white to off white by cermedia marinepure
- **How much does it cost?** ¥27964 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/11796010-cermedia-marinepure-block-bio-filter-media-for-marine-and-freshwater)

## Best For

- cermedia marinepure enthusiasts

## Why This Product

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

## Key Features

- • **Durable & Inert:** Made from inert ceramic ensuring no chemical interference, backed by 1-year warranty
- • **Lightweight Powerhouse:** Lighter than live rock, easier to handle without compromising performance
- • **Versatile Compatibility:** Perfect for both marine and freshwater setups, including sumps and large filters
- • **Maximize Aquarium Clarity:** Vast surface area accelerates beneficial bacteria growth for crystal-clear water
- • **Effortless Nitrate Control:** Advanced bio-filtration reduces nitrates, ammonia, and nitrites efficiently

## Overview

CerMedia MarinePure Block is a high-performance ceramic bio-filter media designed for marine and freshwater aquariums. Measuring 8x8x4 inches, it features vast surface area and open-flow porosity to promote beneficial bacteria growth, effectively reducing nitrates, ammonia, and nitrites. Lighter and more efficient than live rock, it fits seamlessly into sumps and large filters, ensuring a healthier aquatic environment with minimal maintenance.

## 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.

## 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 |
| ASIN  | B00HYUY35W |
| Allergen Information | Nut Free |
| Best Sellers Rank | #100,183 in Pet Supplies ( See Top 100 in Pet Supplies ) #1,484 in Aquarium Filter Accessories |
| Brand Name | CerMedia MarinePure |
| Customer Reviews | 4.2 4.2 out of 5 stars (430) |
| Date First Available  | January 21, 2014 |
| Department  | Filter Media |
| Global Trade Identification Number | 00857246002035 |
| Included Components | All |
| Item Form | Block |
| Item Type Name | filter media |
| Item model number  | 8" x 8" x 4" Block |
| Manufacturer | CerMedia LLC |
| Manufacturer  | CerMedia LLC |
| Manufacturer Part Number | 900501 |
| Model Number | 8" x 8" x 4" Block |
| Number of Items | 1 |
| Pet Type | Fish |
| Product Dimensions  | 8.25 x 8.25 x 4.25 inches; 3.09 pounds |
| Target Species | Fish |
| UPC | 857246002035 |
| Unit Count | 1 Count |
| Warranty Description | 1 yr manufactures warranty free from defect |

## Product Details

- **Brand:** CerMedia MarinePure
- **Item Form:** Block
- **Manufacturer:** CerMedia LLC
- **Pet Type:** Fish
- **Unit Count:** 1 Count

## Images

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

## Available Options

This product comes in different **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.jp/products/11796010-cermedia-marinepure-block-bio-filter-media-for-marine-and-freshwater](https://www.desertcart.jp/products/11796010-cermedia-marinepure-block-bio-filter-media-for-marine-and-freshwater)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-19*