K Kronnk7 New member Jun 16, 2006 #1 I have VHO's and I wondering, the bulbs all say T-12 on them. Is this different from T-5's or are they the samething?
I have VHO's and I wondering, the bulbs all say T-12 on them. Is this different from T-5's or are they the samething?
S smcdonn New member Jun 16, 2006 #2 T-12's are the large diameter bulbs. The T-5's are very slender bulbs.
K Kronnk7 New member Jun 16, 2006 #3 Is there a real difference? My lights are 110watts each and I have three on my 90 gal.