Why don't we claen lakes and ponds in the same way as we clean aquariums?
Asked by | 17th Feb, 2010, 08:02: PM
Aquariums are usually much smaller than ponds and lakes. In addition, they are usually kept indoors and are less prone to getting dirty and contaminated. So it is much easier to clean the aquarium.
Answered by | 20th Feb, 2010, 07:50: AM
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