1. Should you hold the dropper completely vertical when adding drops?
2. The white pad for the pH test. How close should you hold it behind the plastic vial?
3. The reagent on the R-0010 reagent comes out really fast.. normal?
4. Do you really have to swirl after each drop?
Thanks!
2. The white pad for the pH test. How close should you hold it behind the plastic vial?
3. The reagent on the R-0010 reagent comes out really fast.. normal?
4. Do you really have to swirl after each drop?
Thanks!