First, apologies to ibby for the delay, but I am sure it factors in in some way. The electrolytes seem to need balanced ratios to one another as well as proper levels.
Update- Improvement is holding and I am very encouraged. I have been trying to limit my supplements to just the potassium to get a better idea of its value and have managed to do so pretty well.
Major improvements noted-
Increased on time (was 2 to 4 hours, now 3 to 8)
Less med dosage needed (have eliminated one requip 4 mg for the last couple of days)
Less freezing (no daytime at all, nighttime minimal if I don't stay up too late)
Greater function (have caught myself doing chores around house. help me...

)
Sleeping much better (was getting up to bathroom 2 to 4 times nightly, now zero)
Feel stronger
No chest pain (had occasional angina which I blamed on too much requip, not so sure now)
I'm taking a cheap, basic 99mg potassium tablet twice a day with my first two med doses.