Nov 3, 2018 #1 Nrc470 Well-Known Member 5 Year Member Joined Jul 13, 2017 Messages 221 Location (City and/or State) Virginia How far above should my Arcadia uvb tube light be above the substrate. I think I remember someone saying 18-22 inches is that correct.
How far above should my Arcadia uvb tube light be above the substrate. I think I remember someone saying 18-22 inches is that correct.
