greenmaji
Aquarium Advice Addict
you would just need more PC for the same light output..reflectors take advantage of the light coming out of the top of the bulbs.. and PC is harder to take advantage of there top light even with good reflectors.
and lower K values give you more PAR or acuall usefull light.. they just dont look as good..
and lower K values give you more PAR or acuall usefull light.. they just dont look as good..