Question: Why are there different colors of salt blocks available?
Answer: White salt blocks contain nothing but salt. Blue salt blocks contain cobalt and iodine as well as salt. Brown salt blocks contain additional minerals. Red blocks contain iodine. While trace iodine may be beneficial or harmless, some red salt contains very high iodine and shouldnt be fed to horsesread the label to be sure you are choosing a low iodine block.
Salt mineral blocks are favored by many horse owners and may be beneficial if you like the idea of added mineral content. Some brown blocks contain mineral onlyread the label when buying. You wont be making a mistake by feeding white salt. But a problem arising from offering colored salts is unlikely.
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