What would you use? Amazon links or product names greatly appreciated. I read the article and it confirmed I need some direction [email protected]@@@@@beyond “chlorine tabs and shock once a week. Test kits are just a way to get you to spend more money.” I don’t believe this because I have had aquariums and one change can cause an entire shift. I have no experience with pool water however. 6600 gal - which kit would you use?