Guide to Your Own Aquarium
The practice of keeping aquariums came about in the late 1800's. They were fairly crude. Usually this ancient aquariums only had one side that was made of glass, with the other three sides being made of metal or wood. Most aquariums consisted of fish that were native to the region of its owner simply because of availability. Also most old school fish tanks contained only fresh water fish. The reason being is that salt water would corrode the metal frame that held the aquarium together.
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