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How many watts should they be???

This is what I have.

http://www.petco.com/product/14564/ESU- ... -Lamp.aspx

It is 15 watts - but look at the % of UBV emitted. 5-10% is in the right range.

Here is the site's article on UVB too.

http://www.redearslider.com/light_sources.html

here is what I and a lot of other members use. it's inexpensive and was not a part of the recent recall scare. i've had great luck with them. i've been told that 5.0 is appropriate (not too much, not too little).

http://www.petsmart.com/product/index.j ... Id=2752555

5.0 is not enough. it needs to be at least 8.0.

5% IS enough. It just needs to be at least 26 watts or it will be too weak.

That said I have a 7% tube fluorescent type. I actually have the same light and fixture as mat012.

Thanks guys that helped a bunch... sry im horrible with the research stuff.