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The Oase BioMaster Pre-Filter Foams are essential components for owners of Oase BioMaster external aquarium filters who want to streamline their maintenance routine while ensuring crystal-clear water. These coarse 10 PPI foam inserts act as the first line of defense, trapping large organic debris before it can clog the biological media in the main canister; however, users should note that these foams specifically target mechanical filtration and do not replace the need for periodic cleaning of the main filter body.
| Brand | Oase |
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It is recommended to check and clean them every 1 to 2 weeks, or whenever you notice a decrease in filter output.
No, these are specifically engineered for the dimensions and mechanical design of the Oase BioMaster pre-filter module.
It is best to use aquarium water. Chlorine in tap water can kill beneficial bacteria that eventually colonize the foam.
PPI stands for Pores Per Inch. 10 PPI is considered a coarse foam, which is excellent for trapping larger debris without clogging too quickly.
The BioMaster pre-filter chamber is designed specifically for these foams; adding different materials may impede flow.
The pre-filter foams are likely saturated with debris; remove them and rinse thoroughly in a bucket of tank water.
If the foam has lost its shape or is physically damaged, replace it with a new insert to ensure a proper seal in the chamber.
These foams are exclusively compatible with the Oase BioMaster and BioMaster Thermo external filter series. To install, simply slide the new foams onto the pre-filter rods within the designated pre-filter module. For care, it is recommended to rinse the foams in a bucket of used tank water rather than under tap water to preserve the beneficial bacteria that may inhabit the foam over time. Replace the foams if they begin to disintegrate or lose their structural elasticity, typically every 6 to 12 months depending on the bioload of your aquarium.
