Quote Originally Posted by Watermom View Post
Actually, you don't have to put two scoops. Try one. If it turns pink, you don't need the second scoop. All you need is the color change.
Exactly! Also, the Unit Dose Dispenser seems like someting that would be more useful to a pool store that is testing many samples in a day to speed up testing and help avoid contamination since you are not supposed to leave the dispenser on the vial for storage.