Quote:
Originally Posted by sasquatch  if your constantly removing water for use the ro/di unit will be doing short runs and I think thats not great for their life span, really you should have a low/hi switch set up this would also ensure better usage of "stale" water, at least if you forget to shut down its the very best water washing the floor lol |
Excellent point Sasquatch.
Per TheFilterGuys, it is best for the ro/di unit to make at least 5 gallons at a time. I use a 1/4" valve to manually turn off the incoming water to the fw reservoir and only turn it on when the 55 gal drum is almost empty.