I did as I said. Well, not quite. I had it with 2 tsp sugar. I didn't experience a feeling of low blood sugar. My blood pressure didn't get worse. This was done at 3 pm. And I had a light brunch at 10 am. Note that I didn't feel well drinking the fresh satsuma juice with 2 tsp sugar before.Next up, I'll try adding 210 mg sodium (bicarbonate), 50 mg magnesium (bicarbonate), 48 mg calcium (bicarbonate) to the 200 ml glass of satsuma juice (which contains 500 mg potassium).
So, it seems that just adding these salts in a ratio to potassium that approximates to that in coconut juice made a big difference.
Tomorrow, I'll do the same but without adding 2 tsp. oF sugar.