Ro first then it goes thru DI. DI wont do anything for chlorines and smaller stuff. RO IMO is the most important. People have tanks that they have not used either with success. Just depends on their water source.
Reverse Osmosis
Deionizing
Both...You can't have one without the other
Neither...tap water is where it's at
Ro first then it goes thru DI. DI wont do anything for chlorines and smaller stuff. RO IMO is the most important. People have tanks that they have not used either with success. Just depends on their water source.