Replacement Matala Filter Mats for Blue Thumb Skimmer Filters Koi Predator Protection Above 45°F

Above 45°F

Optional Upgrades

Choose a good fertilizer such as Waterlily World Tablets

Filter Box/Skimmer Method (ideal first choice if possible): Place the lamp in your filter box

Replacement Matala Filter Mats for Blue Thumb Skimmer Filters Koi Predator Protection Above 45°FOEM replacement Matala filter mats for Blue Thumb pond skimmer filters. The Matala mat is the second filtration stage downstream of the leaf debris net once the mesh net catches the larger leaves and sticks, the green Matala mat polishes finer suspended particles and gives nitrifying bacteria a substrate to colonize. Replace the mat each season (or whenever it begins to clog and reduce skimmer flow) to keep your pond's mechanical filtration running