157!!! not at 1 foot.
capture the sun 100 watt flood (higher wattages have more UVB) testing at 1 foot-
16 microwatts per cm sq.
at 3"-
100
this is a brand new bulb.
powersun 160 watt flood at 1 foot
70 microwatts per cm sq (approximate average of 3 results)
at 3"
240 microwatt per cm sq (approximate average of same 3)
brand new bulbs
UVHeat 100 watt spot at 1 foot
225 microwatts per cm sq.
at 18"
142 microwatts per cm sq.
that is a 3 day old bulb.
Westron R-40 60 watt spot lamp at one foot
1730 microwatts per cm sq.
brand new
Westron R-40 60 watt spot lamp at one foot
700 microwats per cm sq.
one month old
The 100 watt spot UVHEAT is OBVIOUSLY the best, of the readily available ones. BUt the Westron SPot is OBVIOUSLY THE OVERALLL BEST.
here is where i got the info
http://beautifuldragons.com/
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