Finest-Filters DIY course foam provides excellent biological and mechanical filtration in aquarium and pond filters alike. The blue course foam allows bacteria to colonise, and break down ammonia, whilst also catching particulate waste out of the water. Simply cut the sheet to size, to fit your aquarium/pond filter with scissors.
Our DIY Foam Sheets can be cut down to fit any aquarium or pond filter
Size of this DIY sheet: 18inches x 12inches x 25mm thick
Grade of this Foam: Blue 10ppi Reticulated Aquatic Foam
This foam allows beneficial bacteria to colonise, which break down waste, providing biological filtration