Hi Mark.... I was reading the Alk postings. If I am correct, at around 6:30 PM you always had ~8 dkh.
What you saw, I see it as something normal when we are dosing to keep the Alk. In the ocean is always the same. Due to that I am always measuring Akl at 10-10:30 PM. My doser start at midnight and stop at 6 PM. During the day I have variations. So i decided to measure alk always at the same time.
Best
Daniel
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