The bio Sponge Filter able to be use in Marine, Fresh water and Planted tanks, which you are able to cut to the size you want which suits your filter.
The experts according to experiment concluded that the molecules hole size and softness is best suitable to develop the best for bacteria.
The bio Sponge is able to dissolve waste of fishes and also improve water quality then will reduce death rate of fishes in tank.
Monthly once washing of bio sponge filter by using running tap water to clean, after washing and cleaning its shape will remain, the hole will not be blocked by dirty particulars, it can be reused continuously.
XINYOU Bio- Logical Filter Sponge | XY-1832 |6 pieces
Aquarium filter media - White Filter sponge bag -6 in 1 Sponge- Mechanical filter for fresh water aquarium and salt water aquarium comes in a pack of 6 pieces each fo size 12*4 inches.
No warranty no Gurantee.
No Return and No Refund policy. Because your product will check before packing. During transport it may damage it's a own responsible of customers.