Typically heaters are needed for tropical fish tanks. However, if you could guarantee the room temperature where the tank is located will be maintained at the needed temperature for your fish, then you don't need a heater. Most tropical tanks need to be maintained at temperatures of 72 to 80 degrees Fahrenheit, depending on the types of fish in the tank.
One can purchase a fish tank heater at various pet supplies shops. PetSmart, Petco, Marine Land, and Argos all have fish tank heaters for sale on their websites.
its for tropical fish and salt water fish. they need to have warm water to survive cause were they live is really warm waters
A heater can raise the temperature of a fish tank if needed
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The filter removes the fish waste and some of the other impurities.
A water pump is needed to pump in fresh water.
Not all heaters can go inside a fish tank. The heater must be specifically made to be put in an aquarium. You can order one off the internet as long as it is made to be put in water or you can get one from your local fish or pet dealer. It would be better for a first time fish owner to get one from a pet dealer instead of the internet.
Tropical fish.
Freshwater setup: MUST HAVE: Tank, filter, filter pads/media, heater, light, fish, water, electricity, fish food, place to put tank NICE TO HAVE: Substrate, decorations, tank lid
In a fish tank, you should put items such as a filter, heater (if needed), gravel or substrate, decorations like plants or caves for hiding, and of course, water conditioning products to make the environment safe for fish. Additionally, you need to add fish that are compatible with each other and the tank size.
You meet and befriend a fish breeder who will take pity on you and supply you with a tank and fish and all the equipment needed to keep them. Or maybe you could just meet someone who has a tank and fish and doesn't want them any more and is happy to give them to you.
For a 5-gallon fish tank, you will need a filter, heater (if keeping tropical fish), thermometer, water conditioner, substrate, decorations, fish food, and a water testing kit to monitor water quality. It is important to properly cycle the tank before adding fish to establish a healthy environment for them.