---
product_id: 14900280
title: "Replacement Activated Carbon for Nano Cubes Up to 24 Gallons (Single)"
brand: "jbj"
price: "€ 17.54"
currency: EUR
in_stock: true
reviews_count: 5
category: "Jbj"
url: https://www.desertcart.de/products/14900280-replacement-activated-carbon-for-nano-cubes-up-to-24-gallons
store_origin: DE
region: Germany
---

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

**Brand:** jbj
**Price:** € 17.54
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your aquarium’s clarity game—because your fish deserve the best!

## Quick Answers

- **What is this?** Replacement Activated Carbon for Nano Cubes Up to 24 Gallons (Single) by jbj
- **How much does it cost?** € 17.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/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

- • **Crystal Clear Water, Fast:** Absorbs impurities to instantly brighten your aquarium
- • **Easy Swap, Instant Impact:** Simple replacement keeps your aquatic ecosystem thriving
- • **Dual-Use Fresh & Saltwater:** Versatile carbon media for all aquatic environments
- • **Optimized Filtration Cycle:** Alternate with mechanical filters to maintain biological balance
- • **Tailored Fit for Nano Cubes:** Specifically designed for JBJ 6, 12, and 24 gallon tanks

## Overview

JBJ Replacement Activated Carbon is a premium filter media designed for JBJ Nano Cubes up to 24 gallons. Containing over half a pound of activated carbon granules, it efficiently removes dissolved organic waste and impurities, ensuring crystal-clear water. Suitable for both freshwater and saltwater tanks, it should be replaced every 4-6 weeks and alternated with mechanical filtration to maintain optimal biological balance.

## 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 |
|---------------|-------|
| Brand | JBJ |
| Customer Reviews | 4.6 out of 5 stars 27 Reviews |
| Item Form | Granules |
| Item Weight | 12 ounces |
| Liquid Volume | 24 Liters |
| Manufacturer | JBJ Lighting |
| UPC | 692478120863 |

## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

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

---

*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-03-02*