swishyfishies
Aquarium Advice Activist
Since I got my RO unit I have only changed out about 1/4 of the water (5 gal per week) in my 55 gal fresh tank so far & the clarity of the water is amazing. I can just imagine how crystal clear the water is going to look in a month when I get to set up my 55 gal as salt water with all RO water.