But he wears rubber shoeshttps://duckduckgo.com/?q=electrocuted+by+fish+tank&t=h_&atb=v78-7__&ia=web
There's your link.
Do what you will. Take all of your variables into consideration, who cares.
GFCI and Probe will protect
Your Investment
Your Fish
Your Coral
Your Family
Your Friends
And You
Spend the dang 20 bucks.