With a traditional, mercury-in-glass thermometer, it is quite easy to read the temperature incorrectly, but with a digital device and LCD readout, this is not an issue. If you are someone who simply must have the best when it comes to their aquarium, you should look at the JW Pet Company Aquarium Thermometer. It sounds simple, but aquarium thermometers only have one job, and that is to tell you the temperature of the water in your tank. It is slightly cheaper than the Zacro device, but there isn’t much in it. Each is mounted and used differently and depending on your aquarium’s setup, any of them could be the best option for you. For fish, plants, and corals living in the wild, this temperature range can vary quite significantly. REOTEMP S1-F73 Magnetic … C $23.55. The 10 Best Aquarium Thermometers – Reviews 2020, 1. There are three basic types of aquarium thermometers. This thermometer from JW Pet is placed inside the tank and secured by a magnet on the outside. 4 Pack LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature Wi. HDE LCD Digital Aquarium Thermometer – Best Overall, 2. The Fluval Wireless 2in1 Digital Thermometer is a two-in-one product that can measure the water and room temperature up to 20 F. In addition to this, it is a wireless product, which means that you do not have to worry about the messy wires. VIVOSUN LCD Digital Aquarium Thermometer, 9. Can’t Find an Answer? The smart temp thermometer goes on the inside of the tank and the magnet goes on the outside to hold the smarttemp firmly in place, no suction cups needed. The digital readout can show the tank temperature in both Fahrenheit and Celsius, has an exceptionally wide temperature range, and is accurate to within 0.1 of a degree. Most mass-produced aquarium thermometers have an accuracy deviation of +/- 1-2 degrees. There are some questions about the accuracy and how things like air-conditioning in the room outside the tank and the thickness of the tanks impacts in this. Most of these products require batteries to run; however, some models can be plugged directly into a wall socket. This Vertical Aquarium Thermometer from LCR Hallcrest is a popular stick-on LCD design that is mounted on the outside of the tank. Once installed, the digital thermometer works in much the same way as other devices that we have reviewed, with a probe inserted into the tank which is connected to the main unit via a cable. Where this device differs from others that we have reviewed is that it also contains an audible alarm that will activate if the water temperature in your tank rises or falls outside a set range. The other model has a simple plastic stand so you can place it directly in the tank where you like. This thermometer measures 0.75" x 4.25" and weighs a puny 0.3 ounces. C $3.29 shipping . Leave it to aquarium accessory maker JW Aquatics, best known for trinkets at the Petco or Petsmart, to finally bring us a magnetically attached aquarium thermometer. One model features an innovative magnetic design where you insert the thermometer into the aquarium and affix a magnet on the outside. PetKeen.com does not intend to provide veterinary advice. Temperature changes in freshwater rivers or even around corals in tropical areas can vary considerably depending upon the weather and the season. As with most aquarium equipment, there are many different aquarium thermometers available on the market. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. Hopefully, now that you have read our list of reviews, had a chance to considered the pros and cons of each device, and taken into account the information in our buyer’s guide you’re now in the position to buy the right thermometer for your aquarium. This large in-tank thermometer is securely fastened to the side of the tank via a strong magnet, meaning it won’t be accidentally knocked free by your fish or the movement of water. The Fluval Nano is an extremely simple mercury-in-glass thermometer that sticks to the inside wall of your tank. Digital Thermometers have a probe that you placed in the aquarium water. General Tools AQ150 In and Out Aquarium Thermometer. It should go without saying, but you need to ensure you buy a thermometer that is suitable for the range of temperatures you anticipate monitoring. You can mount it on the outside of the aquarium glass, further avoiding any congestion or messiness. After all, there isn’t much point in monitoring the temperature of the water in your tank if you can’t be sure that you’re getting an accurate reading. This large in-tank thermometer is securely fastened to the side of the tank via a strong magnet, meaning it won’t be accidentally knocked free by your fish or the movement of water. So, the key takeaway here is to make sure that you get the best quality and the right type of thermometer for your aquarium setup. But they are much less common than the suction cup variety. 9 DIY Hedgehog Cage Plans You Can Build Today (With Pictures) →, 7 DIY Guinea Pig Beds You Can Build Today (With Pictures) →, 9 DIY Hamster Toys You Can Make Today (With Pictures) →. To recap, our top choices are: Featured Image: HDE LCD Digital Aquarium Thermometer, Chewy. Maintaining stable water temperature, at least within a few degrees, is vitally important for the health of your aquarium—an almost impossible task without having an accurate thermometer on hand. Despite not being submerged in the water, this type of thermometer is usually quite accurate unless you have a very thick glass-walled tank or the air temperature outside the tank is considerably cooler than the water temperature. This additional functionality does come at a price, though, as this digital thermometer is the most expensive of all the devices we’ve reviewed. On first appearance, this digital aquarium thermometer from Zacro is a similar design to the Marina device that we have rated as our best overall thermometer. For fish, plants, and corals living in the wild, this temperature range can vary quite significantly. 4.6 out of 5 stars 49,680. It inexpensive, yet has been well-built. Contact Us. Another negative is that they often have small scales that can be difficult to read accurately from outside the tank. Affiliate Disclaimer AnimalCorner.co.uk is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. This floating thermometer with suction cup from Marina is a tried and tested mercury-in-glass type thermometer that is positioned in the tank. Ease of use is often one of the main deciding factors in selecting one thermometer over another. It is easy to install and use and comes complete with the necessary battery.