---
product_id: 14900280
title: "Replacement Activated Carbon for Nano Cubes Up to 24 Gallons (Single)"
brand: "jbj"
price: "€ 16.75"
currency: EUR
in_stock: true
reviews_count: 5
category: "Jbj"
url: https://www.desertcart.nl/products/14900280-replacement-activated-carbon-for-nano-cubes-up-to-24-gallons
store_origin: NL
region: Netherlands
---

# Over 0.5 lb activated carbon for max absorption Fits Nano Cubes up to 24 gallons Replace every 4-6 weeks for peak water clarity Replacement Activated Carbon for Nano Cubes Up to 24 Gallons (Single)

**Brand:** jbj
**Price:** € 16.75
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your aquarium game—because your fish deserve the clearest water in the room!

## Quick Answers

- **What is this?** Replacement Activated Carbon for Nano Cubes Up to 24 Gallons (Single) by jbj
- **How much does it cost?** € 16.75 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/14900280-replacement-activated-carbon-for-nano-cubes-up-to-24-gallons)

## Best For

- jbj enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Maintenance:** Mesh filter bag makes replacement quick and mess-free—keep your tank pristine with minimal hassle.
- • **Crystal Clear Water, Fast:** Absorbs impurities and organic waste to instantly brighten your aquarium.
- • **Tailored Fit for Nano Cubes:** Specifically designed for JBJ 6, 12, and 24-gallon Nano Cube filters—no guesswork needed.
- • **Dual-Action Filtration Routine:** Alternate with mechanical filters to keep biological filtration thriving and fish stress-free.
- • **Versatile for Fresh & Saltwater:** Engineered to perform flawlessly in both freshwater and saltwater environments.

## Overview

JBJ Replacement Activated Carbon is a premium filter media designed for Nano Cube aquariums up to 24 gallons. Containing over half a pound of activated carbon in a convenient mesh bag, it efficiently removes dissolved organic waste and impurities, ensuring crystal-clear water. Compatible with both freshwater and saltwater tanks, it should be replaced every 4-6 weeks and alternated with mechanical filters to maintain optimal biological filtration and a healthy aquatic environment.

## Description

desertcart.com : JBJ Replacement Activated Carbon for Nano Cubes Up to 24 Gallons (Single) : Aquarium Stands : Pet Supplies

Review: Cleared our tank right up! - Had a cloudy tank and did A water change and added this and cleared the water up within an hour!
Review: Fit - Perfect fit and delivery was quick

## Features

- Replacement Activated Carbon for all JBJ 6 Gallon, 12 Gallon and 24 Gallon Nano Cubes.
- The included mesh filter bag contains over 1/2 lb. of Activated Carbon; Carbon absorbs impurities in your aquarium water.
- Removes dissolved organic waste that can stress tropical fish and discolor your aquarium water.
- Activated Carbon Filter Media should be replaced every 4-6 weeks, Alternate the replacement of with a mechanical filter to maintain biological filtration.
- Designed for the Nano Cube aquarium filter and other filters requiring activated carbon can be used in freshwater or saltwater aquariums.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00BBZH1NW |
| ASIN  | B00BBZH1NW |
| Best Sellers Rank | #173,477 in Pet Supplies ( See Top 100 in Pet Supplies ) #2,891 in Aquarium Filter Accessories |
| Brand Name | JBJ |
| Customer Reviews | 4.6 4.6 out of 5 stars (27) |
| Date First Available | November 13, 2011 |
| Date First Available  | November 13, 2011 |
| Directions | Replace the activated carbon filter media every 4-6 weeks, alternating with a mechanical filter to maintain biological filtration. Place the mesh filter bag containing the activated carbon in the filter, ensuring it is secure. This product can be used in both freshwater and saltwater aquariums. |
| Item Dimensions LxWxH | 9.21 x 4.41 x 1.81 inches |
| Item Package Dimensions L x W x H | 9.21 x 4.41 x 1.81 inches |
| Item Weight | 12 ounces |
| Item model number | 11115452 |
| Item model number  | 11115452 |
| Manufacturer | JBJ Lighting |
| Manufacturer  | JBJ Lighting |
| Product Dimensions  | 9.21 x 4.41 x 1.81 inches; 12 ounces |
| Target Audience Keyword | fish |

## Product Details

- **Brand:** JBJ
- **Item Form:** Granules
- **Item Weight:** 12 ounces
- **Liquid Volume:** 24 Liters
- **Manufacturer:** JBJ Lighting

## Images

![Replacement Activated Carbon for Nano Cubes Up to 24 Gallons (Single) - Image 1](https://m.media-amazon.com/images/I/515h7QwSQ7L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Cleared our tank right up!
*by C***L on July 13, 2025*

Had a cloudy tank and did A water change and added this and cleared the water up within an hour!

### ⭐⭐⭐⭐⭐ Fit
*by L***A on October 1, 2023*

Perfect fit and delivery was quick

### ⭐⭐⭐⭐ Love The Way These Things Work/ Perform!
*by L***T on December 12, 2014*

I utilize several coarse nano cube sponges for my 2 12 gallon Nano Cubes for which I've had 4 quite some time now! Love 2 Always Have'm On Hand! I Must Have a couple of dozen or so Now - Always Looking 4 More In fact! Love the Way they perform! Always, LeAnne M Pruitt

## Frequently Bought Together

- JBJ Replacement Activated Carbon for Nano Cubes Up to 24 Gallons (Single)
- Zanyzap Replacement JBJ 12 Gallon Nano Cube Aquarium Sponge - 9 Pack
- JBJ 6G, 12G & 24G Nano Cube Replacement Ceramic Rings

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**Shop now:** [https://www.desertcart.nl/products/14900280-replacement-activated-carbon-for-nano-cubes-up-to-24-gallons](https://www.desertcart.nl/products/14900280-replacement-activated-carbon-for-nano-cubes-up-to-24-gallons)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-11*