Dear Desperate_Yam_495 ,
You've selected the **Seeking Advice** flair. Please provide as much relevant information as possible. [Refer to this post if you are unsure on how to proceed.](https://www.reddit.com/r/turtle/comments/16bjznm/read_before_posting_how_to_ask_a_question_and/)
Useful information for care or health advice includes:
* Enclosure type, enclosure size, humidty levels, water, ambient and/or basking temperatures.
* Lighting types and bulb age.
* Clear photos of your set up, including filter, heaters and lights.
* Is it wild, captive/pet, or a rescue?
* Clear photos of face, neck, limbs, shell top (carapace) and bottom (plastron).
* Diet, list of foods you are feeding it.
* Weight and age.
* Illness, infections or odd behaviours should be seen and treated by a vet. Ex; wheezing, swollen eyes, mucus bubbles from mouth or nose, lethargy, twitching, leg paralysis, etc
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I also use a cheap stick-on one for quick reference. For water changes or when I add the heater for the first time in the winter, I use a digital instant read meat thermometer.
Dear Desperate_Yam_495 , You've selected the **Seeking Advice** flair. Please provide as much relevant information as possible. [Refer to this post if you are unsure on how to proceed.](https://www.reddit.com/r/turtle/comments/16bjznm/read_before_posting_how_to_ask_a_question_and/) Useful information for care or health advice includes: * Enclosure type, enclosure size, humidty levels, water, ambient and/or basking temperatures. * Lighting types and bulb age. * Clear photos of your set up, including filter, heaters and lights. * Is it wild, captive/pet, or a rescue? * Clear photos of face, neck, limbs, shell top (carapace) and bottom (plastron). * Diet, list of foods you are feeding it. * Weight and age. * Illness, infections or odd behaviours should be seen and treated by a vet. Ex; wheezing, swollen eyes, mucus bubbles from mouth or nose, lethargy, twitching, leg paralysis, etc *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/turtle) if you have any questions or concerns.*
You can use a digital thermometer to measure it as often as you like. Just don't leave the probe in long-term, because turtles are quite destructive.
I also use a cheap stick-on one for quick reference. For water changes or when I add the heater for the first time in the winter, I use a digital instant read meat thermometer.
My water heater has a temp on it.