
John Blue LBMS
Liquid Blockage Monitor System
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Free
About
This is a complementary app for use with John Blue's Liquid Blockage Monitor System. Now you can know your liquid application flow from the cab of your tractor. The patented system alerts you when a ball and flow in an individual row has dropped below a user selected level in a John Blue VisaGage II Flow Monitor. Two different products may be monitored at the same time, and real-time ball position information is relayed to the user. The system communicates via Wi-Fi with the iPad or iPhone, which serves as the control panel and display using this app.
Continued use of GPS running in the background can dramatically decrease battery life.
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What's New in John Blue LBMS
v2.0.5
November 5, 2025
The user’s manual is now available online, making it easier than ever to view, download, or share the latest version.






