I have a 500gallon pond and i want to get a UV sterilizer for it. I am on a budget so i was wondering would this work?
http://cgi.ebay.com/36-Watt-UV-Ster...emQQptZLH_DefaultDomain_0?hash=item27ac064e8e
http://cgi.ebay.com/36-Watt-UV-Ster...emQQptZLH_DefaultDomain_0?hash=item27ac064e8e