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  1. C

    so, i got my test kit in the mail.

    Right. Hi all. Numbers first (2006 test kit): CYA: 100-ish CH: this is actually one of the reasons I am posting. So from pink to *purple* I get 650-ish. From pink to purple to actual blue - 800. Which wouldnt surprise me since my pool and spa have these.. I dont know. While MOLES, like in...
  2. C

    Worst scaling ever

    [UPDATE] So, an update. I did get my kit in the mail. The CH is a whopping 750-800. Now, we moved into this house last year and judging by the condition of other things around here the previous owner was not the most thorough guy. Here's what I think happen - and I am hoping someone here can...