Lol, bless your heart. :P
Too much magnesium will give you Hershey Squirts. That’s your body saying, “Whoa, too much… Too much!”
To be serious for a moment, please do cut back a bit on the electrolytes. Diarrhea is most likely a sign you’re over doing them. Diarrhea is very dehydrating… So you’re working against yourself here.
No matter how much you drink, if you’re shooting it all right out again, it’s not nearly as beneficial, you know?