sspitfire
- Posts
- 63
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- 15
- Joined
- Mar 29, 2011
- Points
- 8
Hi. My friend's got an UV CFL. The problem is we can't tell what type is it exactly - UVA, UVB or UVC. That being said - would be a good idea to put in my grow room to stimulate trichome growth ? What are the risks of using the wrong type of UV?