UVB bulbs

kfos

Active Member
Hey gardeners uvb. When do we use it? I have a solar storm 440 with built in uvb. Not sure when to use it? I've read the last few weeks of flower. Opinions please
 

Sir72

Well-Known Member
Hey gardeners uvb. When do we use it? I have a solar storm 440 with built in uvb. Not sure when to use it? I've read the last few weeks of flower. Opinions please
I would use it all the time honestly, except seedlings
 
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