The 9 Best Hottub thermometers (2023 reviews)

This is one of the best thermometers for the pool ever. Not only does it float, it will show you the temperature of your pool water. It is easy to read with attached string that ties to the ladder or pool that keeps it in place. It does get sucked into the leaf strainer basket. It's kerosene inside the thermometer. The more accurate thermometer reads 80 degress F and the Doli thermometer reads 82 degrees F, then you would deduct -2 degrees from your future Doli thermometer results. It can be used in swimming pool, fish pond, bathtub and else.

Why We Like This:

Really cute and easy to read
Good brand reputation

Best bobbing Thermometer: Kingsource Hottub Thermometer

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This floating pool thermometer uses an animal cartoon design, so it can perfectly be used as a water thermometer. It takes on water and partially goes under water. The man-shaped top adds fun and décor to your pool. The swimming pool thermometer has a cute appearance, it floats on the water surface, easy and safe for your baby to play with. The thermometer pulls out of the top where the little man lays on the float is. It is more secure and no leaking will happen anymore.

This little thermometer includes a string, it will be fixed within a certain range of the pool for your convenience. It’s nice to be able to read it in the pool without reading glasses.

Why We Like This:

A cute and functional pool toy
One of the new comers and featured product

Best Floating Thermometer: Xywq Great Thermometer

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The XY-Wq pool supply is absolutely your first choice to search for the swimming pool and spa accessories. This floating thermometer is an easy way to know each morning how cold the water is. It is a single thermometer. It floats and when you pull it out, it is easy to read your pool temperature.

This thermometer uses environmentally friendly glue, which is less toxic to your pool, but at the same time, it may degum after using it for a period of time. It is easy to attach and place in the pool. This thermometer works great and adds some fun to the pool. This thermometer is a great value.

Why We Like This:

Easy and fun to look at thermometer
Nice little simple, cute thermometer for a small pool
Very easy to use and water friendly

Best For Hot Tubs: Xywq Hottub Thermometer

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Not everyone likes to purchase thermometer for their daily purpose, but the xywq hottub thermometer would be an anomoly. This cute little crab will always tell you your temperature in your pool. It is really cute popping out of the water. The Pool thermometer is a cute addition to any pool with easy to read gauge and accurate temperature readings. It includes rope tether to keep the thermometer from floating away. It can be free floating or comes with a string to tie to the pool ladder.

These are great for accuracy but discolor as soon as a few weeks in the pool and the rope disintegrates very quickly. It is cute because it's claws point up like it's coming to get you.

Why We Like This:

Very easy to read and is accurate for the water temperature
Good investment for long term

Best For open Water: U.S. Pool supply Hottub Thermometer

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U.S. Pool Supply makes beautiful and great thermometer with classic and smartly choosen materials. This is a good, well-made pool thermometer. This thermostat always displays a lovely 85 degree temperature. It comes with a string to help anchor it in place. The top is weighted so it keeps the rest underwater. This lets the air escape from the bottom of the thermometer and it sits in the water properly. The rest of the thermometer stays underwater. It is good for open water as well.

Why We Like This:

You can see the temperatures even without eyeglasses
Accurate and durable for public pool used good for open water as well
Tiny bubbles stay inside if you pull it up to read

Best looking Fish: Blufree Hottub Thermometer

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Compared with other thermometer in this category, the blufree hottub thermometer has a convenient design. The Swimming Pool thermometer has a cute appearance, it floats on the water surface, easy and safe for your baby to play with. It displays temperature in both Fahrenheit and Celsius (120 Fahrenheit and 50 Celsius), very convenient. It has clear, large numbers which are easy to read, it can be used in swimming pool, fish pond, bathtub, aquariums.

The Floating temperature gauge offers precise water temperature and pleasant time for you, your family and your friends. It has a decent length string to tie and keep it in place or you can let it free float. The thermometer does tell the temperature. The fish is also cute floating throughout the water surface, easy and safe for your baby to play with.

Why We Like This:

Decorative and accurate depending on how deep it is in the water
Precision temperature sensor which ensures an accurate temperature readout
New and hot release

Best Pool Thermometer: Atie Hottub Thermometer

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This simple pool thermometer only needs a string to keep it in place and it preforms great. It is a plastic thermometer, with a string hooked to it. This thermometer comes with a string cord which will allow you to attach it to your pool. It is perfectly and floats at the top of the pool. It is great for standard floating thermometer, especially when season stores have packed their supplies away.

This pool thermometer works great and is a good value. It comes with string code and also this thermometer provides an accurate pool water temperature reading in pool, spa, hot tubs, jacuzzi, bath tubs.

Why We Like This:

Very accurate and stays out of the way when using the hot tube
Floating thermometer holds bulb at a nice depth
Easy to read and economical pool thermometer

Best little Thermometer: Willingood Hottub Thermometer

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Compared with other thermometer in this category, the willingood hottub thermometer has a convenient design. If you have a pool, this is a must-have item. This Willingood Pro Water Thermometer does exactly what it's supposed to do, and does it fairly well. It drains of air (and of water, when you pull it out) pretty quickly. It works as expected, showing the water temperature and floating near the surface for easy access. It comes with a little nylon cord if you want to attach it someplace. It is easy to store the whole package of 1 x floating pool thermometer. It is a very light unit and the string that comes with it is somewhat thin.

Why We Like This:

A quick and easy solution to checking and maintaining the correct pool temperature
Premium quality, built from durable material & shatter resistant
Good brand reputation

Best accuracy: Lanblu Hottub Thermometer

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This is a cute thermometer. It is not only does the solar pool thermometer look great, but the light is designed to allow you to read the thermometer after dark. It is a perfect combination of decorative solar duck light and functional swimming pool thermometer. There is a button underneath the suck to turn the light on or off. The light up function can be turned on or off easily. It lights up nicely. The thermometer has a large, easy to read scale. It is easy to read at night.

Why We Like This:

Much more fun then just a plain thermometer
Love the solar and the light up feature
Good investment for long term