Thus, while research indicates that soaking beet pulp is not necessary to prevent, there are other reasons for soaking beet pulp. It may make the feed easier to chew, particularly for older horses with bad teeth. Soaking may improve the taste, and may be a way to hide supplements or medications. While horses usually drink enough water on their own, feeding soaked beet pulp can increase fluid intake, particularly in the winter when horses may drink less water than they need.