Which one handles water chemistry better?
iON logs readings and dosages, but LSI isn't on its pages. Pool Runs works out the saturation index from each test and suggests a dose for that pool's gallons, on the tech's phone at the pool.
The Henderson pool here reads −0.55, corrosive, and by the app's own math five pounds of baking soda and a pound and a half of soda ash bring it to −0.14, balanced.
Readings and doses save on the phone with no signal and sync later.


iON Pool Care