I had asked my buddy at the LFS
about all the equipment I'd need to start up a tank from scratch a few months ago and I had asked him the same question re.the Uv
sterilizers ,... He paused for a moment and said it's a 50/50 poll on them,...some folks feel they can not get along without one and others feel that it's not worth the investment.
The article mike suggested to read kinda makes you wanna run out and get one,.....but, i just wanted to see what you guys thought,..no,..I haven't started up the car yet for the mad dash to the fish shop but it does make for an interesting read