Quote Originally Posted by z28pwr
I have an AquaticReefSystems Oceanus 4 Stage RO/DI 100 GPD that I've produced over 3,000 gallons of water in and it's been great. I had to change the RO membrane once but they only charged me half price to change the membrane.
thats the same one I just ordered. and it is cheaper to operate that some of the other ones