Do you drain your water heater after every time out? If not drain it and re-fill and the smell should be gone. It's happened to me and it was just from the water sitting between trips. I drain mine after every trip now.
Jeff,Julie,Amber,Brandon,and Casey and Winston ( our 5 year old Golden ) and Bruno the Pug. We now have an English Cream, white Golden Retriever as well.
2015 Keystone Montana Mountaineer 356TBF
2005 Chevy duramax dually