> Which reverse osmosis unit do you use? > How much was it? > Where did you get it/ order online? > HOw much is it? > > > Thanks > > Im looking into getting R/O so i can keep some of the more blackwater > apistogrammas. > My tap water has no GH or KH for some reason and is around PH 6.8 > Do you think that is good enough? From what I hear you need a PH in the 4s > and 5s for a lot of the nicer species... > > > Thanks > Coby Why bother to use a R/O unit, I got similar water as you ( kH <1, gH = 2-3) and I have no problem with lowering my pH. a R/O unit only gives you water with gH=0 and kH=0, it does not make it more acid alone. Arild Madsen ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. apisto-digest@listbox.com also available. Web archives at http://lists.thekrib.com/apisto