I DIDN'T EVEN REALIZE THIS BOARD WAS HERE, NOW I CAN STOP BUGGING THE PROFESSIONALS WITH IGNORANCE. I HAVE A SUBMERGIBLE HEATER THEY SAID IT NEEDED TO BE SET AT 78F, THE HEATER WAS FOR A 30-60 GAL, MY TANK IS A 30 GAL CUBE SHAPE. MY QUESTION IS SOMETIMES WHEN I PUT HAND IN THE WATER OR TOUCH THE...