Oase BioMaster / BioMaster Thermo Replacement Foams

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Replacement foams for the Oase BioMaster and BioMaster Thermo external filters. Both the course and fine foams are available at a discounted price, only at SwellUK.


  • BioMaster Replacement Foam - Fine
    code: 45270 In stock Only 2 left in stock
  • BioMaster Replacement Foam - Course
    code: 45269 In stock Only 2 left in stock

Product Information

Replacing filter foams is essential to help maintain a health, clean aquariums. There is no set rule for when your need to replace filter foams in aquarium filters, however, there a re many signs such as dirty water, poor water quality and reduction in flow from your filter that help indicate when this needs doing. Although a foam may may look fine in appearance, it may have shrunk over time allowing debris to pass this stage of the filter so its advised always having a spare handy to compare.

These foams are specifically designed to fit the BioMaster and BioMaster Thermo external filters. there are 2 foam grades to choose from, one fine to catch the finest particles and a more course foam for larger debris. These are colour coded, the fine being red and the course being blue. Each cut to shape to fit snugly into the filter compartment.

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