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How to Use the Orenda App

 UPDATE, June 2019: The Orenda App has grown to become one of the most popular and widely used swimming pool apps in the world. We are grateful for all of our users, and are pleased to have created such a valuable tool.

This article will walk you through how to use our app, the LSI Dosing Calculator, and other features.

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Cold Water and the LSI

The vast majority of damage done to a pool occurs during the winter, or initial filling/startup. And not just damage to the  the pool plaster, but pool equipment can be corroded too.  Etching and corrosion are more likely to happen in cold water than warm. This article will explain, with the help of the Orenda App's LSI Calculator. It's all about the LSI.

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Understanding LSI: The Langelier Saturation Index

The Langelier Saturation Index (LSI) is a cornerstone of the Orenda program. The LSI is the unbiased measurement of water balance, as defined by calcium carbonate saturation. It determines if our water is aggressive/corrosive (low LSI), balanced, or scale-forming (high LSI). It sounds simple enough, but let's dive in and show you just how much it matters to other aspects of water chemistry.

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