This is perfect for any nano.
													
																	Tetra whisper heater 2 15. 
									
	
		
	
																	68 72 f ideal water temperature for tropical fish. 
																	This fish tank heater includes a built in thermostat that causes it to turn on. 
																	Item 2 tetra submersible aquarium tank whisper heater 2 15 gallon 50 watt nib 2 tetra submersible aquarium tank whisper heater 2 15 gallon 50 watt nib 30 00 free shipping. 
																	They need to be on for twenty minutes or so in water before you will see the light. 
															
													
									
	
		
	
																	Featuring a compact design and submersible technology the whisper 2 15 heater makes heating small aquariums easier and more affordable than ever. 
																	Tetra s ht line of heaters are easy to use and work in aquariums ranging from 2 to 55 gallons. 
																	Buy a lifetime warranty heater if you want it to last. 
																	Designed for 2 to 15 gal tanks the tetra heater 5 15 provides a steady 78 degree water temperature automatically. 
															
													
									
	
		
	
																	Just submerge heater in the aquarium and plug it into an outlet. 
																	Almost the same price. 
																	A heater is an essential piece of equipment because fish rely on the temperature of the water for their body heat. 
																	Hi so i ve had the tetra 2 15 heater since i set up the new 5gal tank. 
															
													
									
	
		
	
																	Heaters fish can t produce their own body heat. 
																	There s a reason these have a 2 year warranty. 
																	4 0 out of 5 stars tetra submersible water heater. 
																	There is no thermostat to set so there s no hassle about temperature control. 
															
													
									
	
		
	
																	Isn t doing wonders for me it s the heater where it s preset to supposedly be 78 2 plus or minus two after being unsatisfactory and only being around 76. 
																	The heaters have electronic thermostats that automatically adjust heat output to keep water at a constant 78 degrees f. 
																	The light is just under the top rubber piece about an inch or maybe an inch and a half. 
																	I d return it if it wasn t too late. 
															
													
									
	
		
	
																	All ht heaters have indicator lights to let you know when the heater is on heating the aquarium. 
																	I m going to aqueon for the lifetime warranty.