Langelier Saturation Index, LSI Job Logbook 4+

Verosocial Studio

Designed for iPad

    • $0.99



The Langelier Saturation Index computes the Langelier Saturation Index, a calculated number, to predict the calcium carbonate stability of water to determine equilibrium. This helps you determine the scaling potential of the water. A negative LSI indicates that the water is corrosive to steel.

The app also features a short interpretation of the the LSI value, and water temperature can be entered as Fahrenheit or Celsius.

This app features:

• Send your calculations or conversions by email
• Universal App (iPhone, iPod Touch, and iPad)
• Retina Display graphics
• Fast app switching
• Automatically Saves Your Inputs
• Latest version of iOS is supported
• iPhone 6, 6+, 5 screens and the original 3.5 inch screen are supported
• Export to CSV

No network connectivity required.

What’s New

Version 7.0

This app has been updated by Apple to display the Apple Watch app icon.

Sync using iCloud
Bug Fixes

Ratings and Reviews

4.7 out of 5
3 Ratings

3 Ratings

Brasshandle ,

Handy for work and testing

Good to have available for record keeping...

New database functionality is very nice, especially with the auto save.

Exporting to spreadsheets format is very helpful.

Sync works great over iCloud

Celluloid Hero ,

Best app for LSI

Would like to see a history of values and graph trends with a place for comments about what actions were taken to change LSI.

Livewire21 ,

Great app

Does what it says. I use it daily. Better than working it out on paper!

App Privacy

The developer, Verosocial Studio, indicated that the app’s privacy practices may include handling of data as described below.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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