Help setting up my UVB hood


Original Poster
Hello! My reptisun T5 HO terrarium hood came in today. It includes a 5.0 UVB hood. (I have a 20 gallon terrarium bc he is a juvenile and I plan to upgrade)The problem is that I have no idea how to set it up. My basking rock is 5 1/2 inches away from the hood, and in order to keep the temps at the right spot I don’t want to get a lower basking rock unless I absolutely have to. I have the thrive terrarium which has a hood that slides on and off. Am I able to just set the lighting hood on top of the mesh screen or will this be ineffective? I’ve had him for 2 weeks now and my kit came with a coil UVB which I know is bad for him, so I want to get this hood set up for him asap.

Claudiusx Sicko
Staff member
That will be about perfect actually. The 5.0 HO bulb is about equivalent to the 10.0 t8 bulb. So being 5 inches away from the basking spot while on the screen is actually about the ideal distance.
If you were to have the 10.0 HO bulb, you'd want it to be about 8 inches away on the screen, or 12 inches away if it was under the screen.


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