How long will the last cycle aquarium filter be changed? What is the standard? What filter cloth is good?
There is no fixed time to change, depends on the specific usage, such as cloth to remove dirty cleaning, etc. to replace tattered cloth, common sponge, fish common cloth can be used.
Filter cotton long time use the shelter evil people and countenance evil practices would be counterproductive, bad water.Cotton filter basically can only play a simple physical isolation,If the filter is deep enough,The filter glass, the filter medium used for biochemical filtration, is much better than the filter cotton as a physical filter.
Without a fixed pattern, and the proportion of water tank] volume size and the number of fish.Simple way to judge is to filter cotton dirty, you must wash, change.New filter cotton or clean filter cotton water leakage soon, no water,Filter cotton dirty, plug, water leakage, uncomfortable, will be stagnant water, then you need to wash or replace.
