Filter material

Fish tank fish culture filter material Cultivate bacterial biospheres

Fish tank fish culture filter material Calcium magnesium core bio spheres

Fish tank fish culture filter material Cultivate nitrifying bacteria for water purification to remove harmful substances 5D beneficial bacteria ring

Fish tank fish culture filter material Square bacterial house with five colors and four corners

Fish tank fish culture filter material Five in one cultivation ring

Fish tank fish culture filter material Purification and cultivation of nitrifying bacteria 3D Energy Loop

Fish tank prevents alkaline and hard filter material from affecting water quality Soft water resin

Fish tank bacterial culture water purification filter material quartz ball