electrolytes

Whats a good electrolyte to administer whitetail? what are yall using?

Any feed back on electrolytes, as in how much do you use ,say per 30gal. Tank? Can you give this to does that have fawns on them AND in the tank? Or is that too much at a time? I've been reading up on it and one product says " ideal" for any deer after weaning. And how often does everyone use...