ELOS Test kits - when is "yellow" considered "yellow"?
On the Alk Elos test kits, it says to add drops until it turns from cyan to yellow.
Well it first turns slightly green, then greener, then even more green, then greenish yellow, then greener yellow, then even more greenish yellow then it turns yellow.
Theres about 5-6 drops difference in the color change which is equivalent to 2-3 dkH
At what point do we we make the reading?
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