Asternia stars. now with solutions, and stray voltage

[gregzz4]

Are you putting the negative in the ground socket and the positive in the water?
What reading are you getting?
What reading do you get if you put the negative in the ground socket and the positive in the neutral socket?
On a properly wired outlet, the neutral is the larger of the 2 slots - that is of course if your duplex outlet is the polarized kind.