Figure 5.11 - This is an example of a HPS and also a
MH Light system. There is nothing at face value to
indicate that the light is a HPS or a MH. To check
this out we need to look at the ballast and the bulb
and read what is says about the type of light system
that it is. MH lights tend to give off a blue tone,
while HPS tend to give off an orange tone.
WHAT TO LOOK FOR WHEN BUYING A LIGHT.
The first thing to say is that some growers
have a MH set-up for seedlings and vegetative
growth and a HPS for flowering. The HPS is a
better flowering lamp, while the MH is a better
veg lamp. If we can only afford one we should
get a HPS. Both MH and HPS can be used for
vegetative growth and flowering. However since
we are growing for bud, we should try to get
the best HPS we can.
The next thing they look for is the light
kit itself. Check to see that the light is
