Description
Product Overview
The Hagen AquaClear 20 activated carbon filter inserts are essential replacement media designed specifically for the AquaClear 20 filter system. These inserts utilize high-quality activated carbon to effectively absorb odors, discoloration, and various impurities from aquarium water. With dimensions of 2.7 x 3.2 x 4 inches and weighing 5.6 ounces, they fit perfectly within the filter housing. The product model number is A1380, manufactured by Rolf C. Hagen (USA) Corp., and is suitable for unisex-adult use. Each pack contains three carbon inserts, providing reliable water purification for both freshwater and saltwater aquariums up to 20 gallons in capacity.

Usage
These activated carbon inserts are ideal for maintaining water clarity and quality in home aquariums, whether for freshwater community tanks or saltwater marine setups. They are perfect for routine filter maintenance, typically replaced every 2-4 weeks depending on bioload and water conditions. Aquarium enthusiasts, from beginners to experienced hobbyists, will appreciate how these inserts help create a healthier environment for fish, plants, and other aquatic life by removing dissolved organic compounds, medications after treatment cycles, and yellowing tannins from driftwood or botanicals.
Why Choose Us
Hagen has built a reputation for manufacturing reliable aquarium products backed by decades of experience in the pet supplies industry. These carbon inserts are precisely engineered to match the AquaClear 20 filter’s specifications, ensuring optimal water flow and contact time for maximum filtration efficiency. The activated carbon undergoes strict quality control to guarantee consistent porosity and adsorption capacity. With over 5,000 customer reviews averaging 4.7 stars, these inserts have proven their effectiveness in real-world aquarium maintenance scenarios across diverse aquatic environments.
Key Features
- High-quality activated carbon effectively absorbs odors and discoloration
- Precisely designed replacement media for AquaClear 20 filter systems
- Suitable for both freshwater and saltwater aquariums up to 20 gallons
- Includes three carbon inserts for extended maintenance periods
- Helps maintain optimal water parameters for fish health and vitality
FAQ
How often should I replace the carbon inserts?
For optimal performance, replace the carbon inserts every 2-4 weeks depending on your aquarium’s bioload and water conditions. Heavy stocking or visible water discoloration may require more frequent changes.
Can I use these inserts in other filter models?
These inserts are specifically designed for the AquaClear 20 filter. Using them in incompatible filters may result in poor water flow or reduced filtration efficiency.
Do I need to rinse the carbon before use?
It’s recommended to briefly rinse the carbon inserts under cool running water to remove any fine carbon dust that may cloud your aquarium water initially.
Will the carbon remove aquarium medications?
Yes, activated carbon effectively removes many common aquarium medications. Remove carbon inserts during treatment periods and replace them afterward to eliminate medication residues.
Are these safe for saltwater aquariums?
Absolutely. These carbon inserts are safe for both freshwater and saltwater aquarium environments, effectively purifying water in marine setups up to 20 gallons.




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