Originally Posted by Wasserpest
Just wanted to mention that a UV sterilizer is by no means needed or required for a planted tank! Many ppl use them for various reasons, but to buy one as a preventive measure, or because someone else uses them, is IMO throwing out money that could be used much better for something more useful.
I don't know about that. I put a UV sterilzer on my tank a while back. It was the only variable, and I noticed that my water clarity improved greatly. I can also state that IMO algae decreased, as I am finding I need to scrape my glass less after the UV was installed.
Some say that UV sterilizers can strip Iron from water, but I have not seen any chlorosis yet.