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B&Q£24.95Visit shop B&Q - Replacement Foam SetBiopress 4000/pondopress 5000 Part 15558
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The Oase BioPress Replacement Foam Set (15558) is designed for pond owners using BioPress 4000 or Pondopress 5000 filtration systems who need to restore their filter's mechanical and biological efficiency. These genuine replacement sponges provide a perfect fit to trap debris and foster beneficial bacteria, though users should note that these are specifically sized for these two models and are not universal to other Oase filter lines.
| Colour | Black |
|---|---|
| Model Part Number | 15558 |
| Brand | Oase |
Generally, replace them once a year or when the sponges lose their structural integrity and fail to return to shape after washing.
No, this specific foam set (15558) is sized exclusively for the BioPress 4000 and Pondopress 5000.
It is not strictly necessary, but you can give them a quick rinse in pond water to remove any factory dust.
The black foams are coarse to trap larger debris, while the blue foam is finer to catch smaller particles, providing a layered filtration approach.
No, this set contains only the replacement foam sponges.
Check the filter intake and discharge hoses for blockages, and ensure the pump impeller is clean.
Ensure the center hole (6.5cm) is aligned correctly and that there is no debris stuck inside the foam's center channel.
This replacement set is explicitly compatible with the Oase BioPress 4000 and Pondopress 5000 filters. To install, ensure your filter pump is powered off and the unit is depressurized. Open the filter lid according to your manual, remove the old sponges, and slide the new ones onto the center stem, alternating between the coarse and fine layers as directed by the housing layout. To maximize the lifespan of your new foams, perform regular maintenance by rinsing them in a bucket of pond water rather than tap water; the chlorine in tap water can kill the beneficial bacteria living inside the sponges. If you must use tap water, squeeze the foams thoroughly to remove all residues before reinserting them.
