Lighting a 90 gallon tank

[Xzap]

Is this what you call 50/50 lamps ?
http://www.bigalsonline.com/catalog/product.xml?product_id=31575&category_id=1849&pcid1=1843
Thx,
Dave

 

[greenmaji]

No 50/50 bulbs are CF bulbs.. Half of it is atinic(blue) and the other half is daylinght usually 10000K. The ones that have two tubes that are bent together..