Crystal Bio-Chem Aquarium Filter Replacement – XP-03 to XP-13
Crystal Bio-Chem Aquarium Filter Replacement – XP-03 to XP-13
Crystal Bio-Chem Aquarium Internal Filter Replacement
Keep your fish tank water sparkling clean with this high-efficiency Crystal Bio-Chem Internal Filter Replacement. Designed to fit a range of popular internal aquarium filters, this replacement cartridge combines activated carbon and cotton filtration media to effectively remove debris, discoloration, and unwanted odors — giving your aquatic environment the crystal-clear water your fish deserve.
Compatible models make it a versatile choice for many hobbyists, and the tool-free installation means you can swap it out in seconds with zero hassle. Made in Mainland China.
Key Features
- Broad Compatibility: Fits XP-05, XP-09, XP-11, XP-13, XP-03, and XP-03B internal aquarium filters
- Dual-Media Filtration: Activated carbon + cotton layer combo traps debris, neutralizes odors, and clears discoloration
- Quick & Easy Installation: No tools required — simply slide in the replacement and you're done
- Crystal-Clear Results: Maintains a healthy, visually pristine aquatic environment
- 100% Brand New: High-quality construction for reliable, long-lasting filtration performance
Specifications
| Material | Activated Carbon + Cotton |
| Compatible Models | XP-05, XP-09, XP-11, XP-13 / XP-03, XP-03B |
| Size (XP-05/09/11/13) | Approx. 13.5 × 5.5 cm / 5.3 × 2.2 inches |
| Size (XP-03/03B) | Approx. 9 × 5 cm / 3.5 × 1.9 inches |
| Package Includes | 1 × Filter Replacement Cartridge |
| Country of Origin | Made in Mainland China |
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Learn more: U.S. Fish and Wildlife Service
Frequently Asked Questions
Q: Which aquarium filter models is this replacement cartridge compatible with?
A: This Crystal Bio-Chem filter replacement is designed to fit XP-05, XP-09, XP-11, XP-13, XP-03, and XP-03B internal aquarium filters. Please select the correct size option at checkout to ensure a proper fit for your specific model.
Q: What filtration media is used in this replacement cartridge?
A: The cartridge uses a combination of activated carbon and cotton media. The activated carbon helps neutralize odors and clear discoloration from the water, while the cotton layer captures fine debris and particles, resulting in clean, crystal-clear aquarium water.
Q: How often should I replace the aquarium filter cartridge?
A: As a general guideline, filter cartridges should be replaced every 4–6 weeks, or sooner if you notice reduced water clarity or flow. Regular replacement ensures your filtration system operates at peak efficiency and keeps your fish in a healthy environment.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.