CGM Sites and Epsom Salt Bath

Last week I decided to take an epsom salt bath with lavender in it. The next morning I woke up and I had 3 dots on my stomach that itched and looked like mosquito bites. These 3 spots are where I have had my dexcom sites. I finally removed the current site that I had yesterday and it was swollen and itchy also. Has anyone else had issues with CGM sites and epsom salt baths? I wonder if it was the salt reacting to the metal in the wire? It was weird, but the "mosquito" looking bumps are now almost gone....