sterilizer

Ok, got a question about UV sterilizers. I'd like to run one for bacteria which would be at a low flow and... a separate one at high flow for algae. Has anyone done this? Is there a benefit/problem doing this? Do I just adjust the UV to mid flow to get both? Posted this in another forum but...

I just purchased a UV sterilizer for my 29 gallon mixed reef (Coralife Turbo-Twist 9w). I was wondering how many of you run a UV sterilizer and what you've noticed from running them, both the good and the bad? Do you run your UV sterilizer 24 hours, or only during certain times of the day...

I have a 150 gallon reef tank, total water volume of less than 175 gallons max flow rate will be approx 1250 gph. Someone who's opinion I value suggested going with the Aqua UV classic 80 watt Link and that there's no such thing as going 'too big'. According to Aqua UV's site, going above...