Best Betta Fish Heater: Safe & Reliable Heaters for Betta Tanks. I definitely like seeing products that come with safety features like automatic shut-offs and fish guards. Simply twist the dial on the top of the heater to select a temperature between 67-91F (19-33C). The heater comes at a preset temperature of 78 F. You cannot change temperature settings. Since then, theyve had NONE available since September for warranty replacement, and have gone cold with any replies! Accurate to 0.5F, you can be confident that whatever temperature you set is what it will heat to. Presently, Im running a 100w Tetra Preset heater in my Evo tank and its dead on 77.5-78 accurate. Constant temperature control Since this type of aquarium is really small, Id recommended the Mini-heater by Aqueon. of back end support is quite sad. The main difference between the two products is that the M-series heater doesnt have a calibration. I personally dislike it for its size, but thats doesnt seem to turn many people off. The heater comes with a fish guard, so fish and plants wont get burned. You should provide enough time for your fish to get used to the FREESEA Aquarium Submersible Heater. Aqueons Mini Aquarium Heater is a 5-watt energy-efficient heater that is not only beginner-friendly but also heavy-duty. Now obviously, this heater is no good if you have a smaller-sized tank. These are heaters that are specifically branded as betta fish heaters and address a casual audience within the market. It is made from high-density ceramic. It entirely depends on the temperature outside your tank vs. I have used the Marina Betta heater for over 4 years now on a 6-gallon betta tank. Unless you live in a tropical climate and dont use air conditioning, then you probably dont need one. As you expect, the heater shuts down when the water exceeds the set temperature and switches back on when the temperature drops. I've been keeping fish for over 30 years and currently have 4 different aquariums it's an addiction. The heater used must be powerful enough to keep the water at acceptable levels, but not too powerful, as this will cause fast changes in temperature and overheating the environment. Dont miss valuable advices. Good news! The modern design is very thin, which is a great feature when used with a smaller tank. Most tropical fish are comfortable at that temperature. When we are writing about small freshwater aquariums, what we will be focusing on are tanks that range between 3 to 10-gallons in size. Would upping to a 50w work? 
You wont find anything smaller than these tiny heaters. External control switch They may be found in 10-gallon starter kits, but are considered less effective than submersible heaters. My issues are more of the lack of support from. In addition, because the system comes with a thermostat, you do not have to purchase a third-party thermometer. First up, we have the Fluval 3 100-watt heater, belonging to the mid-price range. I then purchased the Fluval heater and that one ran for 3 years, but then it got replaced with the warranty, which was a great feeling to have. Please note that ALL heaters have a chance of failure, even one that could be called the best Anyone who tells you that there is a 100% safe aquarium heater is lying. 
The best way to get around this is to buy heaters in pairs (say 2 x 50 instead of a 100) so they cant nuke your tank or freeze your fish if one fails in addition to a heater controller. Unfortunately, I cant troubleshoot for you. You dont have to go far to find horror stories of preset heaters killing fish. While a tiny aquarium heater is tempting, the smallest lack essential features found in my slightly larger recommendations these hit the sweet spot between size and safety. If I have a ten gallon tank can I buy a heater for a 20 gallon tank and put it in the 10 gallon. Three of my four tanks currently rock Cobalt Neotherms, the fourth a Eheim jager but this is more because I was impatient and my local fish store was sold out of Neotherms at the time. Once you reach this size, you can use almost any heater you want. For the rest of you? Welcome to my guide to the best betta fish tank heaters. I used an accurate aquarium thermometer to test and can confirm the heater worked as advertised. Due to the lack of safety features found on the following heaters, I dont recommend them. Between 78 and 80.6 Fahrenheights (or 25 to 27 Celcius). You can find my reviews here. Check out our detailed Cobalt Neotherm Review. Its too small, get an aquarium that is at least 5 gallons. So thats very convenient and helps you get a read of water temperature instantly. Certain heaters dont do this and it can be one of the most frustrating of things. The Fluval Submersible Glass Aquarium Heater provides sleek and compact heating in both freshwater and saltwater tanks. Usually betta fish are in a 5-gallons tank, which requires less wattage. Top subscription boxes right to your door, 1996-2022, Amazon.com, Inc. or its affiliates. And as expected, it is pint-sized. A one-touch control system allows you to make adjustments more easily than other heater designs. Most of their products, I would say, belong in the mid-range in terms of pricing. Lost all my fish, corals, and snails. And before you ask, no, you cannot skip buying a heater. Your email address will not be published. So while we may not absolutely need a display screen, its definitely nice to have. Both the 25W and 50W models are 7-inches (18-cm) long, making them perfect for heating smaller tanks, up to 5 gallons. Let me make it clear that the heaters I listed earlier in the guide are superior in every way. Or, maybe you want to turn the heater down during summer. Ive used Aqueon pros on all my freshwater tanks for years without an issue but I decided to spend more for the Neotherm specifically because it said it had integrated overheat protection which apparently it did not. 95f was the temp and it was the culprit! What is cool about this heater, is that it has a display screen that shows the temperature of the water at all times. If youd like to read all of my ramblings, as I like to call them, then keep reading. betta And if thats the case, youll be impressed by just how small these itty-bitty heaters are. document.getElementById( "ak_js" ).setAttribute( "value", ( new Date() ).getTime() ); Sign up with your email for our newsletter and be notified when we publish new blog posts. In aquariums that are between 5 and 10-gallons, you will want heaters with a level of 50-watts. Features From what I hear, you get a really big shock and have to go to the hospital. Note: The 50W and 75W Cobalt Neotherm models are generally the cheapest. This particular heater is quite popular in the hobby. If you dont have enough space vertically, you can use it horizontally. Want your water hotter or colder to suit your specific fish? However, as long as you watch this aspect, the entire water heater is a superb choice. Unfortunately, its the state of the hobby at the moment. An inconsistent heater can be dangerous, especially for a small aquarium. You didnt touch on that at all in your original comment. You can use a couple of modes to control the internal water temperature. Many manufacturers, like Marina, Top-Fin, and Aqueon provide their own version of this type of product. The best small heaters for tiny aquariums. The temperature control unit has to be outside the water, and you can set the desired temperature. So sometimes youll see with some heaters and thermometers, that their temperature readings are not accurate, which is a normal thing as things get older. Yep, they are little more than a heating element and a cover. A 20-watt heater, for example, is twice as powerful as a 10-watt one. Without the need for a thermostat, manufacturers have been able to create some impossibly slim and small aquarium heaters. The adequate water temperature for betta fish ranges between 25 and 28 Celsius. For larger tanks, I recommend the Cobalt Neotherm (or two, depending on how large your tank is). Save my name, email, and website in this browser for the next time I comment. The Neo-Therm is able to supply a temperature range from 66 to 96 degrees Fahrenheit. An alternative to the Eheim Jager is the Fluval M-series, which are also built long. In aquariums of 2 and 5 gallons, you should look towards a 25-watt heater. An indicator light on the side of the heater lets you know what its doing. 
Turns out, its impossible. Seems it would work better. Besides, tropical fish like betta need warm water to survive. Great minds think alike , lol. I'm here to teach you everything there is to know about fishkeeping. I also use this site as an excuse to spend lots of money on testing and reviewing different aquarium products! This heater can fit a variety of tanks and tank set-up designs. But between the low and mid-range, Fluval provides a huge step up in terms of quality. marineland Unfortunately, all heaters have a chance of failing, even my recommendations. It provides quality at a reasonable price point. Out of all the aquarium heaters we reviewed, the Cobalt Neotherm was the clear winner. It looks like that is a UK or Australian brand? Consider it when you next shop for a heater to use in your small freshwater tank! To make a long story short, I like these because they are consistent, accurate, durable, safe, manufactured by reputable brands, and are more adequate for a small aquarium (10 gallons). I find that Aqueon also does well at this price range. Unfortunately, youll find the same thing said about every heater From Eheim Jagers to Aqueon pros to your Tetra presets. What Size Of Aquariums Does This Article Focus On? Required fields are marked *. Its preferable that your aquariums water temperature remains within the range of 25 and 28 Celsius. Flat-bed or substrate heaters are notoriously unreliable and dangerous. What size of heater would you reccomend for my 5 1/2 gallon tank? Once the internal temperature has gotten to a point, the system will adjust its performance to maintain the temperature. Im sorry to hear about your experience. Either upping to a 50w or adding another 25W heater has the exact same effect. Cobalt Aquatics Flat Neo-Therm Heater with Adjustable Thermostat, The limitations of small aquarium heaters, Best small heater for 1 to 2.5-gallon tanks, Best small aquarium heater for 2.6 to 5-gallon tanks, Best small aquarium heater for 6 to 10-gallon tanks. If the temperature of your room increases, say on a hot summer day, then using these heaters will also increase the temperature of your tank which may be too hot for your fish. We want a heater that wont overheat the water, especially since betta aquariums are typically smaller, we need a heater that can operate within a small margin of error. Both a submersible. The Tetra HT model is inexpensive and simplistic. In a small-size aquarium, the most efficient heating solution is a submersible heater. No other heater we tested offered this degree of precision. Personally, Ive really loved all of their products throughout the years. More often than not, the problem is that they are using the wrong-sized heater for their tank. I dont have a better place to move the tank that will solve the problem. Because they are unable to generate body heat, it must be generated from the outside. Check them out. To reduce the size, these heaters are stripped of virtually every feature. The Hydor Theo is an adjustable aquarium heater. This nifty device shuts your heater off if your water becomes too hot and turns it back on once the water cools keeping your fish safe. The only reason you would choose these heaters is if you value size above everything else. These are also referred to as hanging heaters. betta Here it is compared to a quarter, Here is one more option for small square or rectangular tanks, The Marina Betta is designed for the smallest of tanks, up to 1.5 gallons. EHEIM is just another really great brand thats really popular in the fishkeeping hobby. Unfortunately, given Aqueons track record with other aquarium products we have tested, such as their air pump, gravel vacuum and water changer, there is no guarantee the replacements will be as good. This is marketed as a betta fish heater, and surprisingly it is a good quality product. Usually, if youre going to get electrocuted, itll be because of the heater. Or, depending on what you have in your tank, you can mount the heater horizontally. This is made by Fluval, so thats a brand that has a really good reputation. It was for 25-50% water changes for a 5.5 gallon betta aquarium, so Ill probably replace it with the less expensive 5W model. Alternatively, the Marina Betta Heater, as mentioned earlier, is of good quality and relatively small. You can also at the temperatures in increments of .5 this is something that I like because sometimes some heaters dont give you that kind of precision. It would, but it also costs more and has the problem that if it gets stuck on it will cook your fish. algae Your email address will not be published. Had the 75w one in my wifes Fluval Evo 13.5g tank that was good for just over 2 years, then we woke up to a cloudy tank one morning. Cobalt did send me a replacement but Im scared to use it. These types of heaters are located outside of the tank between it and the filtering system. This heater was specifically designed to set and maintain a specific temperature for bowls and tanks up to 1.5 gallons. Best of all, when tested against our calibrated testing equipment, we found that the heater was within 1F of the selected setting. I see you recommend the 306 controller . 2. We discuss the different types of heaters providing circumstantial recommendations. I will comment once the new models are released, and we have tested them. And yes, the heater is fully submersible. Pros Always-on heaters dont regulate the temperature. FishLab tested 20 of the slimmest and most compact aquarium heaters across seven different tanks ranging from 1 to 10 gallons, to answer one question: By far, the most common complaint I hear about small aquarium heaters is, My heater doesnt work. Which heater do you use to warm the water in your small tank? And FYI, people who get electrocuted in the fishkeeping hobby can get really hurt. If you made it this far, then you should have found the perfect small heater for your aquarium. We warn against products that are specifically branded as betta fish heaters due to their inferior quality. The Fluval E, despite having an innacurate temperature display is probably the next best pick, but I have had trouble locating it in recent months. The temperature you want to raise it to. Betta Fish Popeye (Swollen Eyes): Treatment and Prevention, Swim Bladder Disease in Betta Fish: Symptoms, Causes & Treatment, 9 Different Aquarium Water Sources (One is dangerous! Next up, you have the smallest aquarium heater currently available, At 3 inches long, this heater is impossibly small. The LED display offers the temperature setting as well as water temperature readings. A heater used for smaller tanks is designed similarly to those used with larger aquariums. Im back to using Aqueon Pro but I did buy an ink bird controller for the reef tank. I cant tell you how many times its happened to me. Equipped with its precise control, simple recalibration, and a control lamp thats easy to read, this top-rated heater helps you create a comfortable home for your finned warrior family. It is made of shatterproof material and can be placed anywhere in the tank, you can even fully submerge it. the company who issues a 3 year warranty and wont honor it as theyre out of stock. Those up to 5 gallons measurements dont take your specific needs into account. So this is a heater that I have been using and the past few years theyve recently come out with a new 50-watt, Which I think is even better for a Betta Aquarium.
You wont find anything smaller than these tiny heaters. External control switch They may be found in 10-gallon starter kits, but are considered less effective than submersible heaters. My issues are more of the lack of support from. In addition, because the system comes with a thermostat, you do not have to purchase a third-party thermometer. First up, we have the Fluval 3 100-watt heater, belonging to the mid-price range. I then purchased the Fluval heater and that one ran for 3 years, but then it got replaced with the warranty, which was a great feeling to have. Please note that ALL heaters have a chance of failure, even one that could be called the best Anyone who tells you that there is a 100% safe aquarium heater is lying. The best way to get around this is to buy heaters in pairs (say 2 x 50 instead of a 100) so they cant nuke your tank or freeze your fish if one fails in addition to a heater controller. Unfortunately, I cant troubleshoot for you. You dont have to go far to find horror stories of preset heaters killing fish. While a tiny aquarium heater is tempting, the smallest lack essential features found in my slightly larger recommendations these hit the sweet spot between size and safety. If I have a ten gallon tank can I buy a heater for a 20 gallon tank and put it in the 10 gallon. Three of my four tanks currently rock Cobalt Neotherms, the fourth a Eheim jager but this is more because I was impatient and my local fish store was sold out of Neotherms at the time. Once you reach this size, you can use almost any heater you want. For the rest of you? Welcome to my guide to the best betta fish tank heaters. I used an accurate aquarium thermometer to test and can confirm the heater worked as advertised. Due to the lack of safety features found on the following heaters, I dont recommend them. Between 78 and 80.6 Fahrenheights (or 25 to 27 Celcius). You can find my reviews here. Check out our detailed Cobalt Neotherm Review. Its too small, get an aquarium that is at least 5 gallons. So thats very convenient and helps you get a read of water temperature instantly. Certain heaters dont do this and it can be one of the most frustrating of things. The Fluval Submersible Glass Aquarium Heater provides sleek and compact heating in both freshwater and saltwater tanks. Usually betta fish are in a 5-gallons tank, which requires less wattage. Top subscription boxes right to your door, 1996-2022, Amazon.com, Inc. or its affiliates. And as expected, it is pint-sized. A one-touch control system allows you to make adjustments more easily than other heater designs. Most of their products, I would say, belong in the mid-range in terms of pricing. Lost all my fish, corals, and snails. And before you ask, no, you cannot skip buying a heater. Your email address will not be published. So while we may not absolutely need a display screen, its definitely nice to have. Both the 25W and 50W models are 7-inches (18-cm) long, making them perfect for heating smaller tanks, up to 5 gallons. Let me make it clear that the heaters I listed earlier in the guide are superior in every way. Or, maybe you want to turn the heater down during summer. Ive used Aqueon pros on all my freshwater tanks for years without an issue but I decided to spend more for the Neotherm specifically because it said it had integrated overheat protection which apparently it did not. 95f was the temp and it was the culprit! What is cool about this heater, is that it has a display screen that shows the temperature of the water at all times. If youd like to read all of my ramblings, as I like to call them, then keep reading. betta And if thats the case, youll be impressed by just how small these itty-bitty heaters are. document.getElementById( "ak_js" ).setAttribute( "value", ( new Date() ).getTime() ); Sign up with your email for our newsletter and be notified when we publish new blog posts. In aquariums that are between 5 and 10-gallons, you will want heaters with a level of 50-watts. Features From what I hear, you get a really big shock and have to go to the hospital. Note: The 50W and 75W Cobalt Neotherm models are generally the cheapest. This particular heater is quite popular in the hobby. If you dont have enough space vertically, you can use it horizontally. Want your water hotter or colder to suit your specific fish? However, as long as you watch this aspect, the entire water heater is a superb choice. Unfortunately, its the state of the hobby at the moment. An inconsistent heater can be dangerous, especially for a small aquarium. You didnt touch on that at all in your original comment. You can use a couple of modes to control the internal water temperature. Many manufacturers, like Marina, Top-Fin, and Aqueon provide their own version of this type of product. The best small heaters for tiny aquariums. The temperature control unit has to be outside the water, and you can set the desired temperature. So sometimes youll see with some heaters and thermometers, that their temperature readings are not accurate, which is a normal thing as things get older. Yep, they are little more than a heating element and a cover. A 20-watt heater, for example, is twice as powerful as a 10-watt one. Without the need for a thermostat, manufacturers have been able to create some impossibly slim and small aquarium heaters. The adequate water temperature for betta fish ranges between 25 and 28 Celsius. For larger tanks, I recommend the Cobalt Neotherm (or two, depending on how large your tank is). Save my name, email, and website in this browser for the next time I comment. The Neo-Therm is able to supply a temperature range from 66 to 96 degrees Fahrenheit. An alternative to the Eheim Jager is the Fluval M-series, which are also built long. In aquariums of 2 and 5 gallons, you should look towards a 25-watt heater. An indicator light on the side of the heater lets you know what its doing. 
Turns out, its impossible. Seems it would work better. Besides, tropical fish like betta need warm water to survive. Great minds think alike , lol. I'm here to teach you everything there is to know about fishkeeping. I also use this site as an excuse to spend lots of money on testing and reviewing different aquarium products! This heater can fit a variety of tanks and tank set-up designs. But between the low and mid-range, Fluval provides a huge step up in terms of quality. marineland Unfortunately, all heaters have a chance of failing, even my recommendations. It provides quality at a reasonable price point. Out of all the aquarium heaters we reviewed, the Cobalt Neotherm was the clear winner. It looks like that is a UK or Australian brand? Consider it when you next shop for a heater to use in your small freshwater tank! To make a long story short, I like these because they are consistent, accurate, durable, safe, manufactured by reputable brands, and are more adequate for a small aquarium (10 gallons). I find that Aqueon also does well at this price range. Unfortunately, youll find the same thing said about every heater From Eheim Jagers to Aqueon pros to your Tetra presets. What Size Of Aquariums Does This Article Focus On? Required fields are marked *. Its preferable that your aquariums water temperature remains within the range of 25 and 28 Celsius. Flat-bed or substrate heaters are notoriously unreliable and dangerous. What size of heater would you reccomend for my 5 1/2 gallon tank? Once the internal temperature has gotten to a point, the system will adjust its performance to maintain the temperature. Im sorry to hear about your experience. Either upping to a 50w or adding another 25W heater has the exact same effect. Cobalt Aquatics Flat Neo-Therm Heater with Adjustable Thermostat, The limitations of small aquarium heaters, Best small heater for 1 to 2.5-gallon tanks, Best small aquarium heater for 2.6 to 5-gallon tanks, Best small aquarium heater for 6 to 10-gallon tanks. If the temperature of your room increases, say on a hot summer day, then using these heaters will also increase the temperature of your tank which may be too hot for your fish. We want a heater that wont overheat the water, especially since betta aquariums are typically smaller, we need a heater that can operate within a small margin of error. Both a submersible. The Tetra HT model is inexpensive and simplistic. In a small-size aquarium, the most efficient heating solution is a submersible heater. No other heater we tested offered this degree of precision. Personally, Ive really loved all of their products throughout the years. More often than not, the problem is that they are using the wrong-sized heater for their tank. I dont have a better place to move the tank that will solve the problem. Because they are unable to generate body heat, it must be generated from the outside. Check them out. To reduce the size, these heaters are stripped of virtually every feature. The Hydor Theo is an adjustable aquarium heater. This nifty device shuts your heater off if your water becomes too hot and turns it back on once the water cools keeping your fish safe. The only reason you would choose these heaters is if you value size above everything else. These are also referred to as hanging heaters. betta Here it is compared to a quarter, Here is one more option for small square or rectangular tanks, The Marina Betta is designed for the smallest of tanks, up to 1.5 gallons. EHEIM is just another really great brand thats really popular in the fishkeeping hobby. Unfortunately, given Aqueons track record with other aquarium products we have tested, such as their air pump, gravel vacuum and water changer, there is no guarantee the replacements will be as good. This is marketed as a betta fish heater, and surprisingly it is a good quality product. Usually, if youre going to get electrocuted, itll be because of the heater. Or, depending on what you have in your tank, you can mount the heater horizontally. This is made by Fluval, so thats a brand that has a really good reputation. It was for 25-50% water changes for a 5.5 gallon betta aquarium, so Ill probably replace it with the less expensive 5W model. Alternatively, the Marina Betta Heater, as mentioned earlier, is of good quality and relatively small. You can also at the temperatures in increments of .5 this is something that I like because sometimes some heaters dont give you that kind of precision. It would, but it also costs more and has the problem that if it gets stuck on it will cook your fish. algae Your email address will not be published. Had the 75w one in my wifes Fluval Evo 13.5g tank that was good for just over 2 years, then we woke up to a cloudy tank one morning. Cobalt did send me a replacement but Im scared to use it. These types of heaters are located outside of the tank between it and the filtering system. This heater was specifically designed to set and maintain a specific temperature for bowls and tanks up to 1.5 gallons. Best of all, when tested against our calibrated testing equipment, we found that the heater was within 1F of the selected setting. I see you recommend the 306 controller . 2. We discuss the different types of heaters providing circumstantial recommendations. I will comment once the new models are released, and we have tested them. And yes, the heater is fully submersible. Pros Always-on heaters dont regulate the temperature. FishLab tested 20 of the slimmest and most compact aquarium heaters across seven different tanks ranging from 1 to 10 gallons, to answer one question: By far, the most common complaint I hear about small aquarium heaters is, My heater doesnt work. Which heater do you use to warm the water in your small tank? And FYI, people who get electrocuted in the fishkeeping hobby can get really hurt. If you made it this far, then you should have found the perfect small heater for your aquarium. We warn against products that are specifically branded as betta fish heaters due to their inferior quality. The Fluval E, despite having an innacurate temperature display is probably the next best pick, but I have had trouble locating it in recent months. The temperature you want to raise it to. Betta Fish Popeye (Swollen Eyes): Treatment and Prevention, Swim Bladder Disease in Betta Fish: Symptoms, Causes & Treatment, 9 Different Aquarium Water Sources (One is dangerous! Next up, you have the smallest aquarium heater currently available, At 3 inches long, this heater is impossibly small. The LED display offers the temperature setting as well as water temperature readings. A heater used for smaller tanks is designed similarly to those used with larger aquariums. Im back to using Aqueon Pro but I did buy an ink bird controller for the reef tank. I cant tell you how many times its happened to me. Equipped with its precise control, simple recalibration, and a control lamp thats easy to read, this top-rated heater helps you create a comfortable home for your finned warrior family. It is made of shatterproof material and can be placed anywhere in the tank, you can even fully submerge it. the company who issues a 3 year warranty and wont honor it as theyre out of stock. Those up to 5 gallons measurements dont take your specific needs into account. So this is a heater that I have been using and the past few years theyve recently come out with a new 50-watt, Which I think is even better for a Betta Aquarium.
