Palatability is everything
An electrolyte solution won’t do any good if the flavour is repellent, making the animals refuse ingestion.
Hydroliin is isotonic
In contrast to hypertonic solutions, with high glucose content, Hydroliin doesn’t decreases the abomasal emptying rate.
Hydroliin has a uniquely high SID value
Due to its high Na content combined with a very low CL content.