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This guide is for aquarium hobbyists using the Oase BioMaster Aquarium Filter. The key benefit is maintaining optimal water quality through efficient mechanical filtration. A caveat is that these are replacement foams and require the main filter unit. This product includes a set of 6 replacement pre-filter foams with a 10 PPI (Pores Per Inch) density, designed to capture larger debris before it reaches the finer filter media in your Oase BioMaster filter.
| Brand | Oase |
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PPI stands for 'Pores Per Inch'. A 10 PPI foam has approximately 10 pores evenly distributed across one linear inch. This indicates a coarser mechanical filtration media, suitable for capturing larger particles.
It is recommended to rinse the foams weekly or bi-weekly, depending on your aquarium's bioload and feeding habits. Squeeze them gently in used tank water.
No, never use tap water. The chlorine and chloramine in tap water can harm beneficial bacteria that colonize filter media. Always use siphoned aquarium water for cleaning.
Replace the foams when they become too degraded to clean effectively, show signs of physical breakdown, or if you consistently notice a significant buildup of debris reaching the finer filter media.
While foams do provide some surface area for beneficial bacteria, these 10 PPI pre-filter foams are primarily designed for mechanical filtration. Their coarse structure is optimized for trapping debris, not for extensive biological colonization.
This pack contains 6 replacement pre-filter foams.
The pre-filter foams are likely clogged with debris. Remove and rinse them thoroughly in used aquarium water. If rinsing does not restore flow, it may be time to replace them.
Ensure the pre-filter foams are correctly installed and functioning as the first stage of filtration. Check if the finer filter media within the BioMaster filter also needs cleaning or replacement, as the pre-filters only handle coarse debris.
This can indicate they are being cleaned too aggressively or are nearing the end of their lifespan. Rinse gently and consider replacing them if they are old or showing signs of breakdown.
Compatibility: These pre-filter foams are specifically designed for the Oase BioMaster aquarium filter series. Ensure your model is compatible.
Setup: The foams are designed to be placed in the initial intake or pre-filter section of the Oase BioMaster filter. Simply remove the old foams and insert the new ones into the designated slots.
Care:
