Im getting an RODI for my Discus tank and my Reef Tank... I want one of the best there is... what brand tell me everything you can about them... all about their filtration process, stages and alllll that tech stuff...

what brand do you vote best??? what brand do you think that works well... how many stages should I get?

our water here is fairy soft... with a pH around 7.4 or so and good water quality, no NITRATES/NITRITE/AMMONIA I dont know about our taps phos and silica level but we do have a good water source... so what stage system would you recommend...???

thanks for the help!