Hmmm. Can you order Borax online? I don't know the ingredients of the products that you listed. I'm going to ask Ben to advise you on them.
Regarding the kit ---- the K-2006 is only available online. Having it will make your pool maintenance a lot easier for you. Once you get a good kit, please post your current readings.
Welcome to the Pool Forum!
(By the way, I used to live in Puerto Rico --- Ponce. Where do you live?)
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