Why do fish tanks have filters, water or dirt?
cleaning too often, thoroughly, so that the filter cotton become more and more loose, the pores become larger and larger, the muddy water can also be filtered cotton, water, of course, the filter is not clear
the filter after use in surface attached to "dirt", these dirt and filter cotton, filter layer is more compact form, which can filter the fine solid turbidity water, will be favorable to clean water filtration, filter cotton have no effect.
, cleaning the filter can not wash too thoroughly, but can not use hot water or tap water to wash, but only by changing the water from the cylinder out of the water and gently rinse, so to avoid the massive death and loss of nitrifying bacteria.
filter cotton, cleaning up to two weeks, and cleaning, you can not wash all the filter cotton once, but should first wash the dirtiest half, leaving half of the next wash.
