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Shirlie's Freshwater Aquariums Blog

By Shirlie Sharpe, About.com Guide to Freshwater Aquariums since 1998

Heater Types

Tuesday November 15, 2005
Fish must rely on the temperature of the water to maintain their body temperature. That means that many aquariums require a heater, especially in northern climates. Here are the pros and cons of the different heater types.

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