Oase BioMaster Impeller - BioMaster 250/350

This replacement impeller is designed for the Oase BioMaster 250 and Oase BioMaster 350 external aquarium filters.

It is recommended to clean the impeller chamber during regular filter maintenance, typically every 1-3 months, depending on your aquarium's biological load.

Yes, this part is designed for easy DIY installation. Ensure you follow the setup instructions carefully and disconnect power before starting.

This replacement impeller unit includes the rotor and the ceramic axis, designed to replace the entire worn or broken impeller assembly.

Replacing a worn or broken impeller will restore proper filter flow and biological filtration, which is essential for maintaining good water quality. However, it does not replace the need for adequate filter media and regular water changes.

Warranty information typically depends on the retailer. Please check with your point of purchase for specific warranty details regarding this replacement part.

Ensure the filter is properly plugged in and the power outlet is functional. Check that the impeller is correctly seated in the rotor chamber and can spin freely. Verify the filter housing is fully and correctly reassembled.

Clean the filter's intake and output pipes for any blockages. Ensure all filter media is correctly placed and not compacted, restricting flow. Check that the impeller chamber is completely free of debris. Confirm you have the correct impeller model for your filter.

The impeller may not be seated correctly, or there might be debris in the rotor chamber. Disassemble again, clean the chamber thoroughly, and reseat the impeller. Check if the ceramic axis (if applicable) is properly aligned.