That means no filter, and no heater

Like the previous, this is also a good small fish tank heater that you can use on your 2 – or bowls. Only plug and play without any adjustments needed, the heater will do its work to keep your tank temperature ideal for fish.

We suggest a 5 gallon tank for the happiest and healthiest betta fish. Small tanks and bowls are not .

The heater can maintain the water temperature properly so that the fish aren’t stressed by constant temperature changes. And like in humans (but more so) stress in fish can be detrimental to their health. These temperature changes can come on quick when the tank is very small, which is one reason why for newbies I always recommend larger tanks. The bigger tanks result in slower temperature changes so that you give yourself time to rectify any mistake.

Top 5 Best Aquarium Heaters - Fully Submersible With Thermostat

If you have a large tank, you may need two smaller fish tank heaters at opposite ends of your setup Stray voltage (small amounts of electricity entering your aquarium water) can have subtle effects (fish acting strangely) in you tank, or very dramatic ones (fish and inverts dying). Knowing what features to look for in a heater can protect you and your wet pet friends.

6 Best Aquarium Heaters For Your Fish Tank | Home Aquaria

In the wilds of Southeast Asia Betta can live for short periods in small puddles where other fish would perish. This is because of evolutionary adaptations that allow the species to persevere in times of drought or poor water conditions.

what heater for a small betta tank


The Fluval Marina Mini is an inexpensive, compact heater from Hagen, one of the most highly-regarded companies in the fishkeeping business. At only 6 inches in length, this submersible heater can find a home in even the smallest or most oddly-shaped Betta tanks, and the included bracket and suction cups make installing it a breeze.One gallon tanks can be difficult to heat. The small water volume leaves it open to severe fluctuations and most aquarium aren’t made for such small containers. If your room is quite cool you may be able to use the . At just 7.5 watts it is one of the only water heaters made for tiny aquariums. It is important to note that these heaters do not have an automatic shut-off when they reach the desired like most aquarium heaters have (for larger tanks). This means you could easily overheat your water posing a danger to your fish. If you choose to go with a mini-heater you should absolutely have a thermometer in the tank and you should check it frequently. On warmer days you may need to unplug the heater completely.Hey. I just arrived at my college today and got a fish. I’m currently housed in a triple which leaves very little room for a fish. Before heading out to the store to get my new little bud I was just wondering what type of heater i should use on my 1 gallon corner tank? The tank has an undergravel filter, and live plants will be going in with it to help keep it a healthy and natural place for my new study buddy. Please help me out. And unfortunately until I get a new housing assignment my lack of space is causing me to keep this small tank.This is a fully submersible aquarium heater known for its durability and one can count on it to last for several years. It features a PTC heating element as well as a shatterproof glass, which comes in handy when heating small fish tanks from about 5 - 10 gallons. The PTC patented heating system allows for a system that guarantees safety. We liked that you can fully submerge the heater, so you could lie it down on the bottom of the tank out of sight.