---
product_id: 47443083
title: "Kolar Labs Crystal Cal Activated Carbon – 5 Gallon, Activated Charcoal for Aquariums and Fish Tanks"
brand: "kolar labs"
price: "C$21885"
currency: NIO
in_stock: true
reviews_count: 13
category: "Kolar Labs"
url: https://www.desertcart.ni/products/47443083-kolar-labs-crystal-cal-activated-carbon-5-gallon-activated-charcoal
store_origin: NI
region: Nicaragua
---

# Fast-acting clarity Universal filter fit Lab-grade purity Kolar Labs Crystal Cal Activated Carbon – 5 Gallon, Activated Charcoal for Aquariums and Fish Tanks

**Brand:** kolar labs
**Price:** C$21885
**Availability:** ✅ In Stock

## Summary

> 💧 Crystal-clear tanks, zero compromises.

## Quick Answers

- **What is this?** Kolar Labs Crystal Cal Activated Carbon – 5 Gallon, Activated Charcoal for Aquariums and Fish Tanks by kolar labs
- **How much does it cost?** C$21885 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/47443083-kolar-labs-crystal-cal-activated-carbon-5-gallon-activated-charcoal)

## Best For

- kolar labs enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Compatibility:** Seamlessly integrates with reactors, canisters, intank, and hanging filters for effortless use.
- • **Simple Maintenance Routine:** Easy dosing with 1 cup per 50 gallons and quick rinsing keeps your tank pristine every 2-4 weeks.
- • **Optimized Granular Structure:** Engineered pore design ensures maximum adsorption and flow in any filter type.
- • **Premium FCC-Certified Quality:** Crafted to Food Chemicals Codex standards for unmatched aquarium safety and performance.
- • **Overnight Water Transformation:** Eliminates cloudiness, odors, and discoloration by morning—guaranteed clarity.

## Overview

Kolar Labs Crystal Cal Activated Carbon delivers 15 lbs of laboratory-grade, FCC-certified activated charcoal designed specifically for aquarium use. Its optimized granular structure ensures rapid removal of water cloudiness, odors, and discoloration overnight. Compatible with all filter types, this bulk activated carbon offers professional-grade filtration performance with easy dosing and maintenance, making it the trusted choice for pristine aquatic environments.

## Description

desertcart.com : Kolar Labs Crystal Cal Activated Carbon – 5 Gallon, Activated Charcoal for Aquariums and Fish Tanks : Pet Supplies

Review: Did the job and great bulk value - Bombed my tank for worms. The value on this jar was great. 3 lbs. The worm treatment wanted me to use 1 lb per 50 gallons. Soni sued 2 lbs and have another lb or so for emergency. Make sure to give it a good rinse. As you would for any activated carbon.
Review: Great value - Great value--lasted a couple of years for our 20-gallon tank. Did the job! With a name like Kolar--it's gotta be excellent! (My former surname). :}

## Features

- CONTAINS 15 lbs (6.8 kg)- FAST RESULTS: Works quickly to eliminate cloudy water, colors and odors overnight – guaranteed
- TRUSTED SOURCE: Made according to Food Chemicals Codex (FCC) standards; Bringing you the highest quality, bulk and packaged Activated Carbon
- HIGH PERFORMANCE: Laboratory grade granular activated carbon; Specifically made with optimum pore structure for aquarium use
- WORKS IN ALL FILTERS: Large granules allow great flow in any filter media bag, cartridge or filter for efficient filtration; Use in reactors, canister filters, intank filters or hanging filters
- EASY TO USE: Use 1 cup per 50 gallons (1 tablespoon for every 3 gallons); Change every 2-4 weeks; Short rinse before use

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06WD8RQ5F |
| ASIN  | B06WD8RQ5F |
| Best Sellers Rank | #27,734 in Pet Supplies ( See Top 100 in Pet Supplies ) #285 in Aquarium Filter Accessories |
| Brand Name | Kolar Labs |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,400) |
| Date First Available | February 20, 2017 |
| Date First Available  | February 20, 2017 |
| Directions | Use 1 cup per 50 gallons (1 tablespoon for every 3 gallons); Change every 2-4 weeks; Short rinse before use |
| Is Discontinued By Manufacturer  | No |
| Item Package Dimensions L x W x H | 14.56 x 12.5 x 12.06 inches |
| Item Weight | 0.75 Pounds |
| Item model number | CC 5 Gal |
| Item model number  | CC 5 Gal |
| Manufacturer | Kolar Labs |
| Manufacturer  | Kolar Labs |
| Package Dimensions  | 14.56 x 12.5 x 12.06 inches; 12 ounces |
| Size | 6.8 kg (Pack of 1) |

## Product Details

- **Brand:** Kolar Labs
- **Item Form:** Granules, Liquid
- **Item Weight:** 0.75 Pounds
- **Liquid Volume:** 5 Gallons
- **Manufacturer:** Kolar Labs

## Images

![Kolar Labs Crystal Cal Activated Carbon – 5 Gallon, Activated Charcoal for Aquariums and Fish Tanks - Image 1](https://m.media-amazon.com/images/I/71U2MLbClRL.jpg)
![Kolar Labs Crystal Cal Activated Carbon – 5 Gallon, Activated Charcoal for Aquariums and Fish Tanks - Image 2](https://m.media-amazon.com/images/I/71PGXIhsd-L.jpg)
![Kolar Labs Crystal Cal Activated Carbon – 5 Gallon, Activated Charcoal for Aquariums and Fish Tanks - Image 3](https://m.media-amazon.com/images/I/81QFz6+RgeL.jpg)
![Kolar Labs Crystal Cal Activated Carbon – 5 Gallon, Activated Charcoal for Aquariums and Fish Tanks - Image 4](https://m.media-amazon.com/images/I/71pHK7HEtiL.jpg)
![Kolar Labs Crystal Cal Activated Carbon – 5 Gallon, Activated Charcoal for Aquariums and Fish Tanks - Image 5](https://m.media-amazon.com/images/I/61f7uJB7TnL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is this the same type of charcoal used in the bags to remove odors around the home and in vehicles?**
A: Yes, this is a true liquid phase carbon made specifically for water purification, but it will work well for air handling as well, to remove odors around the home, litter box etc.  One thing you will notice is that it is very clean, low dust, which you will really like when handling it.  Thanks!

**Q: can this be used in cat litter boxes?**
A: This product will be perfectly safe and effective for use in cat litter boxes.  Thanks!

**Q: What is the carbon made of?  Coal, hardwood, or coconut husk?**
A: This is called a sub-bituminous Granular Activated Carbon.  It is a very clean, coal based carbon, that is derived from a special source, not in China, with an excellent pore structure for aquarium use.

**Q: Can I use this product for water filter system for my house?**
A: Sure, that is how I use it.  Just be sure to rinse out the fine particles before you install.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Did the job and great bulk value
*by D***K on January 4, 2026*

Bombed my tank for worms. The value on this jar was great. 3 lbs. The worm treatment wanted me to use 1 lb per 50 gallons. Soni sued 2 lbs and have another lb or so for emergency. Make sure to give it a good rinse. As you would for any activated carbon.

### ⭐⭐⭐⭐⭐ Great value
*by 2***T on November 25, 2025*

Great value--lasted a couple of years for our 20-gallon tank. Did the job! With a name like Kolar--it's gotta be excellent! (My former surname). :}

### ⭐⭐⭐⭐⭐ Good customer service
*by W***K on February 8, 2026*

Good quality and delivery on time

## Frequently Bought Together

- Kolar Labs Crystal Cal Activated Carbon – 5 Gallon, Activated Charcoal for Aquariums and Fish Tanks
- DEPEPE 10pcs 7.8 x 5.9 Inch Aquarium Filter Media Bags with Zipper for Activated Carbon, Biospheres, Ceramic Rings

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-15*