Does anyone know what PAR light levels UG will grow in? Does it require more or less light thay HC?
PaulB Subscriber Jan 24, 2005 74 0 6 Melbourne, Australia Jun 17, 2011 #1 Does anyone know what PAR light levels UG will grow in? Does it require more or less light thay HC?
Tom Barr Founder Staff member Administrator Jan 23, 2005 18,702 792 113 Jun 17, 2011 #2 About the same I'd say, 40 micromol ought to do it just fine, eg nice thick rug.
