UV and Reflectors

T.C. Bosby

T.C. Bosby

Well-Known Member
I'm using a 315W CMH, and was wondering how much UV will I lose if I use the glass lid on my reflector?

Also, is it important to have UV throughout veg. and flowering, or does it become more beneficial during late stage flowering?
 
caumop

caumop

Well-Known Member
You will definitely loose some UV if it has to go through glass. Remember, there is UV in natural sunlight. That is what we are trying to duplicate inside our grow rooms. Use UV the entire time, just like it would get if you were growing outside.
 
kingzt

kingzt

Well-Known Member
Do normal Gavita Pros put out any uv. I know the bulb is a full spectrum bulb but being that they are not air cooled and no glass is blocking would uv be emitted from them?
 
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