I am looking to buy a ro/di unit and would like advice. Is there a significant diffenence between a 3,4 or 5 stage unit? I have read the specs but does it really matter in the overall water quality for your tank? I am willing to spend the money if the results are better. Any recommendations...
I am going to be setting up a new tank and I have been looking at the Eco-Wheel as a source of filtration. I am new to this hobby so I am still in the process of trying to learn and decipher the immense amount of information that is available.
Is anyone familiar with this system or...