I really try to ensure I use all of the powder as we all do, and at times the old shaky hand gets in the way haha. I am using these, and to ensure there is no cross contamination I use each color with corresponding Hanna checker.
Hanna Cuvette Stands
- Thread starter scottw
- Start date
Very nice. I can see how people of a certain age would need those...,
Us old timers need all the help we can get haha.
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