Quote Originally Posted by vanhout
When I add the 5 drops of the R003, the solution turns a pinkish color, not a solid pink. When I add one drop of the R0871, it goes clear again. So, I'm thinking I have .5 cc.
van,

You can use a 25 cc sample instead of the 10 cc and get a little better precision; 0.2 vs. 0.5. I don't know that it matters that much, but it will give you a little better sense of where your water is.