Read the value by starting at a long line with a number sitting on it, adding 2 degrees for every short line above that until you match the height of the red indicator. Many people use water heater to increase the warmth of the water and by using this device they can gauge whether if it’s the right amount of temperature. E-Z read combo sink or float thermometer. Enough of this swimming facts, let’s go on to our main topic which is the pool thermometer. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. If you are thinking that this thermometer is not safe because of the mercury content in it; derby duck covered that for you because this product is non-mercury so if in case it shatters then you don’t have to worry about poison in your pool. It also has some special added features such as seven additional sensors for a wide range of monitoring, an option to re-sync sensors without shutting off the device, calibration for more accurate measurement, audible and visual alerts that can be adjusted to let you know if the device reach its limit, display of date and time, option to reset the display manually, and you can scroll the data in the monitor console that lets you see indoor thermometer and remote channels. There’s a wide variety for pool thermometer that can be bought at your local stores. Pool Supply Floating Buoy Pool Thermometer with Jumbo Easy-to-Read Temperature Display, GAME 14030-BB Solar Digital Pool & Spa Thermometer Floating, Solar Powered & Wireless No Batteries Needed, Fahrenheit & Celsius, Double-Sided Display, Large Easy to Read LCD Screen, Light Blue, ANTOBLE Floating Pool Thermometer with String Pool Water Thermometer for Swimming Pools, Spas, Hot Tubs, Fish Ponds, Inkbird IBS-P01R Floating Pool Thermometer with Indoor Outdoor Wireless Receiver for Swimming Pool, Bath Water, Spas, Aquariums and Fish Ponds, Wadoy Pool Chlorine Floater - Floating 7" Chemical Chlorine Feeder for 3" Tablet Dispenser with Thermometer, 2 Pack Solar Powered Swimming Pool Thermometer,Digital Pool Thermometer Sinking, Floating Thermometer Easy Read for Shatter Resistant for Swimming Pool, Solar Power Swimming Pool Thermometer Floating Max Min Water Temperature Thermometer for Hot Tub Jacuzzi Spa, Hofun Swimming Pool Thermometer, Cute Design，Swimming Pool Water Thermometer with String, Outdoor Floating Thermometer for Swimming Pool, Bath Water, Spas, Hot Tubs, Aquariums and Fish Ponds, Daveyspa Floating Pool Thermometer, Shatter Resistant, for Outdoor & Indoor Swimming Pools, Spas, Hot Tubs, Jacuzzis & Aquariums (Tortoise) Upgraded Version (-10℃ to 50℃), Hofun Swimming Floating Pool Thermometer, White Pool Water Thermometer with String, Outdoor Floating Thermometer for Swimming Pool, Bath Water, Spas, Hot Tubs, Aquariums and Fish Ponds （30-104℉）, Milliard Floating Pool Thermometer Turtle, Large Size with String, for Outdoor and Indoor Swimming Pools, Hot Tub, Spa and Pond, Swimline 9250 HydroTools Solar Powered Digital Pool and Spa Thermometer, Aquatix Pro Large Pool Chemical Dispenser with Thermometer, Strong Floating Chlorine Dispenser for Indoor & Outdoor Swimming Pools, Up to 3" Bromine Tablet Holder, Use as a Spa Chemical Dispenser, Hofun Swimming Pool Thermometer,Swimming Pool Water Thermometer with String, Outdoor Floating Thermometer for Swimming Pool, Bath Water, Spas, Hot Tubs, Aquariums and Fish Ponds, GAME 14900-6PDQ-E-01 Floating Digital Pool Thermometer, Blue, Floating Pool Thermometer, Swimming Pool Water Thermometer with String and Flamingo Cup Holder, Outdoor Floating Thermometer for Swimming Pool, Bath Water, Spas, Hot Tubs, Aquariums and Fish Ponds, Inkbird Thermometer and Hygrometer Smart Sensor Data Logger with Waterproof External Probe Magnet Alert for Android and iOS Used for Food Storage Brewing Reptiles Instrument IBS-TH1, HydroTools by Swimline Soft Top Boat Floating Pool Thermometer and Cord, BLACK+DECKER Thermal Leak Detector (TLD100), Jed Pool tools Inc 20-208 10-Inch Blue Scoop Pool Thermometer, ATIE Floating 1" Mini Small Chlorine Tablet Dispenser with Built-in Floating Thermometer for Pool, Spa, Hot Tub, Fountain, Perfect for Inflatable Above-Ground Pools, Ambient Weather WS-8482-3107 7-Channel WiFi Remote Monitoring Weather Station with Indoor/Outdoor Temperature & Humidity, Floating Pool, Spa & Pond Thermometer, Ambient Weather TX-3107 Floating Pool and Spa Thermometer for WS-8482, WS-8478A and WS-8480 Wireless Internet Remote Monitoring Weather Station, Sinking Floating Chlorine Dispenser | Uses LESS Chlorine | Sinks - Cleans Pool Water - Then Floats for Refilling | Sunken Treasure (Light Blue), Davespa Large Floating Pool Thermometer Water Floating Temperature Thermometer with String Outdoor&Indoor Thermometer for Swimming Pools, Spas, Hot Tubs, Fish and Ponds, 010 Solar Powered Swimming Pool Thermometer,Digital Pool Thermometer Sinking, Floating Thermometer Easy Read for Shatter Resistant for Swimming Pool, Bath Water, Spas,Hot Tubs (A), Daveyspa Floating Pool Thermometer, Shatter Resistant, for Outdoor & Indoor Swimming Pools, Spas, Hot Tubs, Jacuzzis & Aquariums (Duck), Cheerpet Solar Powered Swimming Pool Thermometer Digital Pool Thermometers Sinking Accurate Water Temperature Gauge Measure Tool, Poolmaster Classic Jumbo Thermometer for Swimming Pools and Spas, Blue, ATIE Pool Spa Chlorine Tablet Dispenser Floater with Built-in Thermometer with F/C Display, Sunken Treasure 2.0 Touch Down Chlorine Tab Dispenser (Light Blue), Tinani Floating Pool Thermometer Mercury-Free Safety Pond Water Thermometer for Swimming Pools, Spas, Hot Tubs, Jacuzzis, Aquariums & Pond (White), GAME Solar Light-Up Derby Duck Pool Chlorinator; 3”-Tablet Chlorine Dispenser; LED Lights; Light Sensor; Expandable Basket; Adjustable Flow Rate; Duck, Tiki, Globe, Pineapple, and Volcano, Warmoor Large Floating Pool Thermometer, Premium Water Temperature Thermometers with Jumbo Read Display Perfect for Outdoor & Indoor Swimming Pools, Bath, Spas, Hot Tubs, Fish Ponds, Indoor and Outdoor Thermometers and Hygrometers.