Well, I just took a chance & ordered a RO unit from some company in CA who makes them primarily for fish enthusiasts.
It's a five stage 100GPD. Two year parts & labor warranty.
Before I brag it up or pass on the guy's name, I'm going to install it & do some water readings.
As far as why I need a RO - look for my posting "Dead Fish" in the Discus section.
