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Can I use Joule to cook sous vide in anything besides water (like beer or
chicken broth)?
We do not recommend using Joule with anything other than water. Joule is designed to work
only in water. Using Joule in fluids other than water will void your warranty and likely decrease
your Joule’s lifespan or damage it permanently.
What is a factory reset, and how do I perform one?
A factory reset restores Joule to its original settings, erasing your device’s name, WiFi settings,
and authentication information. If you are giving your Joule away to someone else or placing it
in the witness protection program, you probably want to perform one of these.
Here’s how you do it:
1. Plug in Joule. (If Joule is already plugged in, unplug it and then plug it in again.)
2. Immediately press the top button and hold it for eight seconds, until the light begins blinking
yellow.
3. Once the light becomes steady and white, the factory reset is complete.
4. Pair with Joule again.
What is the maximum temperature Joule will reach?
Joule’s maximum operating temperature at sea level is 208 °F / 98 °C. At any other altitude, the
max operating temperature is 3.6 °F / 2 °C below the local boiling point.
If you’ve ever been up in the mountains trying to cook something, you might have noticed that
the boiling point up there was lower—this is because reduced air pressure at higher altitudes
lowers boiling point. In pursuit of the best possible experience for all our customers, we chose
not to set a one-size-fits-all max temperature. Instead, we added a pressure sensor that
determines local air pressure and in turn automatically calculates the local boiling point to
determine max temperature for each individual Joule, no matter the altitude.
Do I need to protect my countertop/work surface while cooking with
Joule?
You can cook sous vide in a pot on any surface—no need to use precious stovetop space.
Remember, however, that when you are cooking with Joule, the water in your pot will get hot
enough to heat your food—so treat your work surface accordingly. Because countertops vary
widely, we suggest you protect your work surface by placing a trivet underneath the pot every
time you cook and using whatever further precautions you would when exposing your counter to
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