<P> An aquarium heater is a device used in the fishkeeping hobby to warm the temperature of water in aquariums . Most tropical freshwater and marine aquariums are maintained at temperatures that range from 22 - 30 ° C ( 71 - 86 ° F ) . The types include glass immersion heaters and undergravel heating . There are also heating mats that may be placed under the aquarium . </P>
<P> An aquarium heater is a device used in the fishkeeping hobby to warm the temperature of water in aquariums . Most tropical freshwater and marine aquariums are maintained at temperatures that range from 22 - 30 ° C ( 71 - 86 ° F ) . The types include glass immersion heaters and undergravel heating . There are also heating mats that may be placed under the aquarium . </P>
what is the use of heater in aquarium
what is the use of heater in aquarium
warm the temperature of water in aquariums
warm the temperature of water in aquariums