I looking into getting some vitamins and electrolytes for my chickens just because it's been very hot lately and they're getting kind of stressed, this is the stuff I was going to get: http://www.google.com/url?sa=t&sour...sg=AFQjCNGpwjDmLekgMcSIsyIJWwlqRmSWdw&cad=rja is this the right stuff? if not than what should I be getting?