hi
i ve got a chooce of bulb which i can choose with any light so my question is which bulb is hte best for bud growth
chooces are
Sunmaster 600 watt HPS Bulb
or
osram 600 watt vialox nav-t 4y super (son-t plus) 600w
the osram seem to cost more but not sure
any help would be great
cheers