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Re:El Fuego Viviente Chili Sauce by falsedan on Tuesday July 17, 2018 @05:33AM (#17548439)
Water hardness isn't measured from 0-14. Those are pH testing strips (aquaself pH Teststreifen).
Re:El Fuego Viviente Chili Sauce by raverbashing on Tuesday July 17, 2018 @05:42AM (#17548475)
Yeah, you're probably right.

Most pH strips I've used have only 1 color, I guess you need 4 to measure across the whole range.