light bulb

So I bought this tropical reptile essentials kit for my crested gecko because it was on sale (i mostly needed the bigger tank (30 gallon now!) but the extra stuff is nice too) I’m setting it up tomorrow, but I have a question. The pack comes with the dome lamps that I’ll set on top and then two...

Does someone know what the best bulb is? I cannot find many 25w bulbs online with great reveiws. I did research, and 25w bulbs are best.