"Mike" wrote in message
. ..
: I am evaluating RO units and would like some help in choosing between
Kent
: Marine's Bare Bones Unit and their 3 stage Hi S units. My tap water
is high
: pH (8) and high GH (12). My objective is to lower the hardness and pH
so
: that I can raise and breed apistogrammas and blue rams. Thanks in
advance
: for any help.

I have a 10 gpd unit and I think it works well. I doese not lower the
ph much though.