Answer
Dec 22, 2024 - 09:30 AM
According to the user manual, it is recommended to replace the filter cartridge (Small Tetra Whisper Bio-Bag Cartridges) every two to three weeks for optimal aquarium health. These filter cartridges can be purchased at your local retailer. Regular replacement of the filter cartridge helps maintain water quality by removing debris and toxins, ensuring a healthier environment for your fish.
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