Tank problem please help!?

Question

how many times should you clean a tank.

Answer 1

A 5 gallon or larger tank with a filter should have weekly maintenance done by removing 20% of the water and rinsing the filter media in the old tank water.  If it is less than 5 gallons then you should do a total clean out at least weekly, if it is a 2.5 or smaller then total cleaning every 3 days.

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Answer 2

well once in two weeks is ok

but make sure the cannon is clean every week

it can be dangerous if its not clean

:P

Answer 3

does it have a filter?

Answer 4

20% water change once a month.