• Folks, if you've recently upgraded or renewed your annual club membership but it's still not active, please reach out to the BOD or a moderator. The PayPal system has a slight bug which it doesn't allow it to activate the account on it's own.

Different Lighting???

Can someone explain the difference in lighting? for example....10000K, 20000K, 450nm, actinic, etc...
Or point out a good website to read up on it. I need to upgrade my lighting and ...um...ya....I dont know s$#% about it. Help!
 
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