brightness and type of bulb determines the efficiency at which
phosphorescent material charges. Efficient bulbs not only charge faster,
but can obtain a brighter level of glow. For example, a black light
shining on a glow surface for 30 seconds will cause that surface to be
10x brighter than a flashlight on it for 6 hours. Here is a simple list
of bulbs in order from least to most efficient:
frequently asked question is "How long does it take to get a
full charge?" The easy answer is that the rings should be at
their maximum charge from any light source in 20 minutes. However, that
is a useless answer. "Maximum Charge" will change depending on the
light source. A black light on for seconds can cause our products to
glow brighter than an incandescent bulb lit for 10 hours. Of course, the
speed of charge is also determined by the light source. A "full
charge" is also a hard statement. Under black light, most pigments will
get to 80% of their charge within 30 seconds, 90% over 60 seconds, 95% over
about 5 minutes, 100% in about 20 minutes. This is further complicated
by the size of the pigment. Larger pigments can glow brighter and
longer, but charge slower.
In conclusion, use a black light if possible.
If white light is needed use CFL "Daylight" bulbs.
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