Thank you for the follow up. I didn't want to go into all the details of the alternative of keeping a day gecko without UV lighting or what "quality" light I was talking about but you did point out one of those qualities, which is lumen.

Light qualities day geckos need:
High quality color rendering (color temperature, CRI)
High lumens
Radiant heat
UV (for some keepers going that route)

All this is nearly impossible for one bulb to do which is why day gecko usually require two to three types of lights over their enclosures.

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