Cannabis Grow Bible.pdf - the DMT-Nexus

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Figure 5.14 - This is a picture of what the switch
looks like on a ballast that can take 2 HID types.
The next thing to look for is the
guarantee. Check to see what the manufacturer
has said about this light and how long the
guarantee is for. Last but not least is the
most important part of your light. The wattage
and lumens.
WATTAGE AND LUMENS
HID Lights can range anywhere between 75W
and 4000W. In general the stronger the wattage
the more light that bulb will produce. However
we must also consider another factor and that
factor is called Lumens. Lumens are the correct
way of measuring how much light per square foot
a bulb emits. Lumens and wattage do go hand in
hand but can vary a large amount between