Wow, I appreciate the warning. I have a similar fountain that also uses a 7.5 V "USB" connector, and that adapter definitely would've ended up in my big box o'

Wow, I appreciate the warning. I have a similar fountain that also uses a 7.5 V "USB" connector, and that adapter definitely would've ended up in my big box o' orphaned USB bricks when the fountain inevitably gives up the ghost or just becomes too gross to keep clean.