Weird! Glad that all's OK though.
Hope you figure it out!

pat you know why this happened and so do i lol its simply because today was the store tours and you wanted to buy something and well as we all know luck cant have that now can she lol hope everything is alright in there tonight:) next time you plan on buying something dont tell the tank then she cant screw ya over lol:))

+1 on stray voltage ground probe is not a guarantee or a 100% protection, it is easy to measure so why don’t you eliminate this one also by testing

This is an old thread.

Has not happened since I stopped feeding the food i used that day.

No other changes or issues.