Oase Biotec 5 / 10 / 30 Replacement Foam (Blue)
Replacement blue filter sponge for the BioTec 5, 10 & 30
In blue filter sponges, tiny bacteria thrive, converting toxic substances into harmless, algae-promoting compounds through nitrification. At high flow rates, these sponges also trap larger particles, purifying the pond water. Paired with red filter sponges, they guarantee effective filtration and clean water
Part No. 54031
