OK, you have my interest. Please define aggressive. What is your experience
that drives this statement? Please be precise, tank material, volume,
exposure time,etc
Steve

"Road Rage!" wrote in message
...
Put only distilled water in your tank to kill what is in it. Don't do it
on a permanent basis, it will eat through the tank. Distilled water is
extremely aggressive, it makes hydrazine look like beauty cream.