LSI is best to bring things into perfect balance. Most pool guys are doing range testing because its quicker (testing using strips or Taylor test kit liquid droppers). The Skimmer App, Pool Brain as well I believe, offer the software setting inputs to use LSI nowadays. In the beginning stages it's probably best to use that LSI because it's now built right into these apps...which makes things much easier. LSI focuses on Balance, and sanitation is a part of that. Just doing chlorine and acid doesn't paint the whole picture. Which is what most pool guys do. Also, you should be monitoring these other factors like Calcium Hardness, Alkalinity, TDS or Phosphates occasionally regardless of what method. It all matters in the long run for keeping that pool looking great. Cost wise, you could do a "Base" Chemicals included and charge extra for Algaecide, Calcium, Salt, Phosphate Remover, etc. It's all in how you present the offer to the client.

Hello Argenis, Welcome to the group. Not sure if anyone is from there but feel free to join our Zoom calls and we can help with any questions you might have. We have a call tomorrow night. Thank you, talk to you soon. -Ed

@Chad Rhoden Thanks!

@Jeremy Hayes Hey Jeremy Great to have you in the group. Please enjoy the content!

@Argenis Zabala Hello Argenis, great to meet you. Welcome to our group. Please make sure to read the content and watch the videos. We also have weekly meetings in the calendar. Thank you, Ed