Reading can be taken in any location with a single meter, Alert feature when the temperature is out of range. When using LCD thermometers, do not place them in direct sunlight or near a heating or cooling vent; aquariums should not be placed in such locations anyway. Among other things, both contained thermometers. With these, there is a risk of battery leakage in the tank. Step 1: Wipe down the outer glass of your fish tank, especially the section where you’ll adhere the strip. You will discover that the back of the strip is sticky. When choosing a style, check the probe cord length, as it varies from model to model. MiniYoda, say you are pointing that infrared gun at a glass jug. I just received a new LBK and no thermometer. Below is my sticker, temp gun says 69.6. When looking for thermometers, particularly online, make sure that you aren't sold a common LCD stick-on thermometer in the place of a more expensive digital thermometer. Too warm shows red and I think too cold shows green, if I recall correctly. The MRB thermometers are 4" but contain everything I need. Many have dual Fahrenheit and Celsius scales, while some have a single scale in larger numbers. Dr. Nick Saint-Erne has worked in veterinary hospitals treating a variety of animals, including zoo animals and exotic pets for over 35 years. Like one bracketed range for lager, one for ale, etc. If you accidentally drop any of these thermometers inside your aquarium, they will stop working – only the sensor probe can be placed inside your aquarium. The sensor probe is usually attached to the display, which can be unsightly. It's easy! Most are designed with a vertical scale, but a few horizontal ones are available. The standing models sink, which allows for a temperature reading near the bottom of the tank. Stick on thermometers are the most widely used thermometer in freshwater aquariums as they are often provided as part of the new aquarium package. I know this is an old thread, and I hope the OP is no longer confused, so....... Mr Beer, why don't these little 3-position thermometers NOT come with the LBK any more? The heater should start to get warm within a minute. The scale may be small and difficult to read. Record temperatures regularly to ensure the aquarium water temperature is stable and in the optimal range for your fish. There is some debate regarding the effect of the room air temperature on these types of thermometers, as they are located on the outside of the tank and can be impacted by the air temperature and thickness of the glass between the thermometer and aquarium water. But it may not be more accurate, it just implies that it is I did have the $1.95 (now on sale for $1.45!!) They show ranges of temperatures for types of beer. If you have a Meat Refrigerator Pool Oven you can use this - it goes way high up there. 90 degree angle to avoid refraction or can you do it with accuracy at any angle? Mr. Beer sells stick on thermometers (not that useless sticker) for $1.95. This is the one I use, works great, and very accurate. Although they display the temperature with digits, it is not an electronic digital thermometer. Lastly, the thermometer reads best when viewed straight on, so place it accordingly. As for pointing it to a glass window for temp loss check, haven't tried it, but I would vote a low an angle as possible, I have used ones like this at work, but $11.99? Floating or standing thermometers are placed inside the aquarium, giving a more direct measurement of the water temperature. I wouldn't think many in here need those, but they're good for me so I can learn those particular basics. Get it free when you sign up for the Spruce Pets. I did have the $1.95 (now on sale for $1.45!!) Holiday and Vacation Fish Care and Feeding, 12 Best Saltwater Aquarium Products of 2020, The Best 9 Controllers and Monitors for Your Aquarium, Complete Aquarium Checklist for Beginners, What You Should Know About Aquarium Lighting. It makes no sense to use anything else. Digital thermometers consist of a probe that is placed in the aquarium water, either permanently or temporarily, which connects to a digital display outside the tank. I love that place so much.