Newbiejb Joined 19 Jul 2015 Posts 630 Reaction score 72 Location Doha Qatar Middle East 5 May 2016 #1 Hi guys i have a 55w uv unit in my tank i need to replace the globe and was wondering what is the difference between the clear uv and the purple uv.
Hi guys i have a 55w uv unit in my tank i need to replace the globe and was wondering what is the difference between the clear uv and the purple uv.
dallasg Controversial Reefer, but knowledgeable! Moderator Joined 14 Dec 2008 Posts 16,900 Reaction score 665 Location Sandton 5 May 2016 #2 Clear UV is germicidal the purple is the disco light
