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The pool math app gives a number of percentages for adding cal hypo. Is this percentage assuming a one pound bag? I have a box of Costco shock that have 1lb bags that are 56% cal hypo. While that specific percentage isn't listed in the app, it's close enough. I'd like to use up the bags to...

Hey all. When you get the recommend addition for a chemical, such as chlorine, where does the calculator try and land your outcome? For example: I measured 2.0 FC yesterday and I added the recommended amount of chlorine and after 5 hours I got 7.5 FC. Given my other pool test results, the...

Hey. I was referring a friend to the tf test kits today but the website has been down since this afternoon? I've restarted my phone... but haven't cleared my cookies so it might just be me? Wasn't sure who or how to bring this to attention