Best current price£8.99from B&Q
Shopping.co.uk recommended and popular offers
B&Q£8.99Visit shop B&Q - 8 X Compatible Fluval U2 Polymax Filter Cartridges
Visit shop1 offer from £8.99
View price history by clicking the chart icon.
Designed for aquarium enthusiasts using the Fluval U2 internal filter, these compatible PolyMax and ClearMax cartridges are the ideal solution for hobbyists looking to manage water clarity and combat nuisance algae. The primary benefit is the effective reduction of phosphates, nitrites, and nitrates, which helps maintain a healthy ecosystem; however, users must commit to a monthly replacement schedule to ensure these chemical filtration media remain effective at trapping waste and removing odors.
| Brand | Finest-Filters |
|---|
It is recommended to replace these cartridges every 4 weeks for optimal performance.
No, these are designed as disposable chemical media cartridges. Once the adsorption material is saturated, it will not function effectively if washed.
These are specifically designed for the Fluval U2. Please check your specific filter model requirements if using other sizes.
Yes, as these cartridges contain chemical filtration media, they may remove medications. Always remove the cartridge during a treatment course.
Yes, a quick rinse under cool water is recommended to remove any fine dust particles from the filtration media.
Check that the cartridge is seated correctly in the filter housing to prevent water from bypassing the media.
The cartridge may be clogged with excessive debris. Ensure your mechanical pre-filter sponges are cleaned regularly to extend the life of the chemical cartridge.
Installation is straightforward: ensure the filter is unplugged, open the Fluval U2 casing, and slide the used cartridge out. Rinse the new Finest-Filters cartridge lightly under cool tap water to remove any manufacturing dust, then insert it into the housing until it clicks or sits firmly in place. These are designed exclusively for the Fluval U2 series. To maintain optimal water quality, replace the cartridge every 4 weeks. After 4 weeks, the chemical adsorption media becomes saturated and will stop effectively removing impurities, meaning you should not attempt to 'recharge' or extend the life of these specific cartridges beyond their recommended window.
