Bulb choice is ultimately a matter of personal preference and what works for one, may not work for another. With that said here's a few of our customer's favorite combinations. In most cases these combinations typically give a nice white with touch of blue look. For a bluer look replace one of the Aquablue Specials with another Blue Plus. 2-Bulb combination •2 ATI Blue Plus •1 ATI Aquablue Special •1 ATI Purple Plus 6-Bulb combination •3 ATI Blue Plus •2 ATI Aquablue Special •1 ATI Purple Plus 8-Bulb combination •4 ATI Blue Plus •2 ATI Aquablue Special •2 ATI Purple Plus 10-Bulb combination •5 ATI Blue Plus •3 ATI Aquablue Special •2 ATI Purple Plus