frlejo Posted December 7, 2011 Share Posted December 7, 2011 it seems the 15k's are harder to come by,BRS does not sell them, along with some others. any idea why? was going to get in the group buy, & go with 15k, eliminate my vho's. i am thinking 20k's might not be deep enough for my 180, with softies & acans. Link to comment Share on other sites More sharing options...
drunkreefer Posted December 7, 2011 Share Posted December 7, 2011 Led is all I can say... Link to comment Share on other sites More sharing options...
Bicyclebill Posted December 7, 2011 Share Posted December 7, 2011 I'm pretty sure Radium is only available as Radium; and not called out with a kelvin color choice. Link to comment Share on other sites More sharing options...
ThePremiumAquarium Posted December 7, 2011 Share Posted December 7, 2011 I love Radium 20K's. They should do real well with your 180g. I used them over my 210g with great success though they were the 400wers and I am not sure whether you are running them or the 250wers but either way they should do well. I don't think they make a 15K in 250w or 400w. If they do, none of the suppliers that I know of import them in. If you are running HQI or Electronic ballasts, then you should be fine Link to comment Share on other sites More sharing options...
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