Using RO/DI waste water in freshwater aquarium?

[Drfu]

So after all the research that i have done i decided to order cpdi90mf for my reef systems vs buying ro water, I'm really looking forward to getting it next week! The one question i have right now with it is this:

Can i use the waste water for my freshwater tank?

I have googled this and have read everything from "sure i do", to "no too much tds" and everywhere in the middle.

If the waste water has no chlorine, chloramine, ammonia, nitrites or nitrates in it just minerals should this not be good enough for a freshwater planted system?

Or am i totally wrong with this and the pre filters don't remove these and the amount of tds coming out of the membrane are way too high for the fish/plants? My freshwater system is just your standard variety of plants & community freshwater tropicals.

I have read that using the clean rodi water is no good for fw tanks as it has all of the good minerals, trace elements and you would have to buy a bunch of supplements to make it safe. If this were the case i would just stick to using tap water & Prime.

Everyones thoughts on this would be great, thx in advance!