Secret 2: Vacuum the bottom of the pool every 7 days and this way you will avoid many problems, such as being algae growth, dirt sticking to the floor and walls, proliferation of microorganisms, etc.
The app "Manage your pool" for Android:
https://play.google.com/store/apps/de...
The app for IOS:
https://apps.apple.com/bo/app/calcula...