Here's a list of all the resources.
Honesty in Water Testing
How to Reduce Cyanuric Acid (CYA) in a Swimming Pool
How to Use the Orenda App
LSI Balance and Calcium Management | Pillar 1
LSI first, Range Chemistry Second
Pool Sanitizers, Part 1: Chlorine
The Orenda Startup™ is about the LSI, Not Just Calcium
Total Alkalinity vs. pH, and Their Roles in Water Chemistry
Understanding Calcium Hardness
What Causes a High pH in a Swimming Pool?
What is a Hot Start?