I can not figure out what this looks like LOL I want to say 10 to be on the safe side but sitting here it almost looks like 5?? The flash looks like the helped a bit though...
I have the same card for my test kit and I find it helps to roll the vial over the colors on the card and see which one disappears. That tells me the color on the card and the color in the tube are the same.
I have the same card for my test kit and I find it helps to roll the vial over the colors on the card and see which one disappears. That tells me the color on the card and the color in the tube are the same.