i currently have 4x t5's over my 29g tank 24" and i use the following front to back
ATI blue +
ATI aquablue special
KZ Fiji purple
ATI blue +
i need new bulbs soon so i am wondering what other people use for their high par bulb layouts. i was thinking of skipping out on the purple all together and going
ATI blue +
ATI blue +
ATI aquablue special
ATI blue +
this will give it a lot more color pop to the tank while still having generally the same par. i am working on switching my tank over to a few softies and then the rest sps so the tank will mainly be sps.