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/

Brew Session Setup

See the Fermentation 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 tab of the brew session.


Your Floaty Cloud URL can be found under integrations. You will need this to enter into the Floaty app. 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]


  • Reconnect to the Floaty AP

  • Go to the Maintenance page and click calibrate.

Last updated