u/Lavender_Absinthe

Hello! I have read through a lot of the welcome and shopping list posts but I have a clarifying question. I plan on getting an arcadia heat lamp and a RHP for the heat gradient. Do I also need a uvb and grow light then or are those the same thing? I know the bio dude has a T5 grow light bulb but I wasnt sure if I got that I also needed the uvb. Thanks!