A heater seal is one of the first suspects.
ALSO, if you have a ro/di system connected directly or indirectly to copper pipe and a pump plugged in with a hose touching the water, it can build up a charge in the water itself. I had one that with a 32 gallon container would deliver a pretty potent one.
ALSO, if you have a ro/di system connected directly or indirectly to copper pipe and a pump plugged in with a hose touching the water, it can build up a charge in the water itself. I had one that with a 32 gallon container would deliver a pretty potent one.