Why does the aquarium needs to be cleaned once in a while Why or why not we need to - Science - Our Environment

Question

Why does the aquarium needs to be cleaned once in a while? Why or
why not we need to clean ponds or lakes in the same manner?

Jahirul Mazumder · Accepted Answer

Kindly refer the link

https://www meritnation
com/ask-answer/question/and-lakes-but-an-aquarium-needs-to-be-cleaned-regularl/our-environment/6995017

Why does the aquarium needs to be cleaned once in a while? Why or why not we need to clean ponds or lakes in the same manner?