[header] How to make a salt lick for horses [title] Use salt that is meant for animal consumption. [step] Look for salt made for horses at your local pet store or feed store and buy it in bulk. Check that the salt is not a mineral salt blend, such as red salt, or salt that is meant for de-icing roads. 
If you are introducing your horse to a salt lick, start with plain white salt or iodized table salt. [substeps] The type of salt that is best for your horse will depend on his nutritional needs and his current diet.