How can the aquarium filter the cotton to prevent the water from spilling out?
The fish tank filters the cotton without chlorine, so it can not pollute the environment after being treated.
the filter cotton firmer, cost is not high, with environmental protection better, aquarium filter cotton can be used in the tank or filter waste and residue pool, can change the water quality.
The permeability and mechanical strength of the filter tank of this kind are very good, so that the flow resistance of this kind of filter material is very small, a lot of high efficiency filter, filter cotton to clean water tank repeatedly,
Making use of the filter tank is biological filtration material imported from Japan, its density is forty kg per cubic meter, can be cut according to different requirements, for a long time, can make more than five years of use in the water and not loose. T
