You don't get a big choice with T5 HO. Typically 3500K and 6500K.
Lucky for you the 6500K is great for mom veg, clone etc.

You can get a few specialty bulbs- Hagen makes gro-glo full spectrum bulb w/ CRI of 98. They cost a bit more but you don't need it, 6500K works fine.
oldmac Reviewed by oldmac on . t-5 lighting question so my seed plants are overgrowing my cabinet so i am forced to finally build my mother/cloning chamber. i found a 2 bulb t-5 fixture at lowes for 20 bucks but i dont know what type of bulbs to buy, i just need this to clone and keep mother plants alive so i know im goin for the bluer spectrum. any thoughts or comments will be appreciated Rating: 5