> For the complete documentation index, see [llms.txt](https://docs.brewersfriend.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.brewersfriend.com/devices/floaty.md).

# Floaty

Floaty Wireless Hydrometer

## Floaty Wireless Hydrometer

Is a DIY free-floating digital hydrometer and thermometer for continuous fermentation real-time monitoring that operates on WiFi. [https://floatyhydrometer.com/](https://floatyhydrometer.com//)

![](https://2223943643-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LY2qaPiuzv-wxqDpCst%2Fuploads%2Fgit-blob-6a303e1267acb75f04e16f2c1c0aba8a3f4c21dd%2Ffloaty_card.jpg?alt=media)

### Brew Session Setup

See the [Fermentation](/brew-session/fermentation.md) tab in a brew session to turn on Floaty logging. After the device logs for the first time you will see the name show up in the devices section under the [Fermentation](/brew-session/fermentation.md) tab of the [brew session](/brew-session.md).

### Configuration

Your Floaty Cloud URL can be found under integrations. You will need this to enter into the [Floaty app](https://play.google.com/store/apps/details?id=com.gleyco.hydro). <https://www.brewersfriend.com/homebrew/profile/integrations>

**Service Type:** HTTP

**Token / API Key:** \[API KEY]

**Server Address:** log.brewersfriend.com

**Server URL (Plato, Floaty Default):** /Floaty/\[API KEY]

**Server URL (Specific Gravity\*\*):** /Floaty\_sg/\[API KEY]

### Calibrate

* Reconnect to the Floaty AP
* Go to the Maintenance page and click calibrate.

![](https://2223943643-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LY2qaPiuzv-wxqDpCst%2F-LYlpdCw5buXSI23Gobr%2F-LYlpsrtVOAHB6ch0wcH%2FScreenshot%202019-02-15%2008.42.08.png?alt=media\&token=aa9232f6-f039-4e9a-bd94-d63a2ebfb2e9)

* These links may also be useful:
  * <https://floatyhydrometer.com//tools/calibration/calibration.htm>.
  * <https://github.com/universam1/Floaty/blob/master/docs/Calibration_en.md>
* Verify the calibration on the Info page, you should see near 0.00 Gravity.
* Go to the Configuration page and enter your WiFi SSID and password.
* The update interval should be not less than 900 seconds or 15 minutes, 3600 for every hour.