UV sterlizer ..what size?

Tethyis

Oceanid
Dec 5, 2006
70
0
0
Alabama
How do you know what size UV sterilizer to use for a tank? I am thinking of converting a tank to saltwater either my 10 or 30g, and I was looking to see what kind of equipment I need. but I cant seem to find a set guide for this. Any help?
 
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