Quote Originally Posted by amyinraleigh
Is the Walmart drop test at all accurate for figuring CC? OTO drops are added, the color is read immediately for FC, then I'm supposed to wait 2 min. to read for CC. They are both always identical.

Thanks!

Amy
Amy, my OTO test kit (not from walmart) instructs the same thing. However when I asked basically the same question, I was told no, OTO will only reliably read TC.