How much UVB Light is too much?

[OsiViper]

In a 36x18x18 cage is a 100W MVB over Basking spot and a 24" Reptisun 10.0 T5HO too much UVB?

Should I swap out the MVB For regular basking bulb and keep reptisun or keep MVB and switch out for a lower Reptisun bulb?

 

[CooperDragon]

I have the same sized tank and yes, the T5 ReptiSun will provide plenty of UVB. I would put the MVB aside and use a regular basking bulb or halogen flood light to get the correct temps. The optimal output for those UVB lights is about 12-14'' above the basking spot and it's good to provide a gradient down to shade areas with little to no UVB exposure.

 

[Drache613]

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