Your filter is the most significant unit in your fish tank, it is the life support device for your fish, dealing with their toxic waste, eliminating chemicals, and if utilized the right way, oxygenating your water.

How often to clean your filter
Each filter is unique and when some may require maintenance every week, some can be left for more than a month or two devoid of any considerable issues. The only way to know is by a bit of testing to see how much waste develops over time.
Usually, internal filters will need cleanup a minimum of every couple of weeks, though external filters can be cleaned out two weeks for especially dirty aquariums, to every two months for low waste generating aquariums.

Paying attention on the filters circulation rate, and when it starts to slow, can be a good sign of when your filter needs to be washed.

Washing biological media sponges are generally used basically to capture waste pieces and keep the water clean and see-through. Your fish nevertheless are not actually that troubled about how clean the water appears, because most come from streams and rivers full of various matter and objects, but they are irritated about contaminants such as ammonia, which come from the waste items developed in the aquarium.

Changing media. Any fish owners swap their media too frequently, and this is often an effect of suppliers recommending frequent replacements to be able to sell more filters. Sponges only need to be swapped out when they get rid of their ‘spring’ or turn into miss-shaped, that is generally about every 11-20 months.

Working out a routine for your own filter and writing it down of when it was last cleansed can assist to make sure it gets undertaken on time, and frequent testing of ammonia, nitrites, and nitrates can be used to verify your filter is working thoroughly.

More instructions concerning fish tanks here.