what is the diff between t5 and t6 bulbs?

nychris351 · 02/06/2009, 08:56 AM

and which is better?

dwd5813 · 02/06/2009, 09:07 AM

diameter of the bulbs.

the T indicates the shape of the bulbs (tube) and the 5 (or 6) indicates the number of eighths of an inch diameter they are. so a t5 is a tubular bulb 5/8" in diameter, whereas a T6 = 6/8, T12= 12/8, etc.

smaller diameter bulbs will allow you to pack more light in a smaller space.

VacavilleFC3S · 02/06/2009, 09:11 AM

most t5 are t5ho also where t5 is not

02/06/2009, 08:56 AM	#1
nychris351 Registered Member Join Date: Sep 2008 Location: BROOKLYN Posts: 319	what is the diff between t5 and t6 bulbs? and which is better?

02/06/2009, 09:07 AM	#2
dwd5813 Registered Member Join Date: Oct 2005 Location: 813 Posts: 2,827	diameter of the bulbs. the T indicates the shape of the bulbs (tube) and the 5 (or 6) indicates the number of eighths of an inch diameter they are. so a t5 is a tubular bulb 5/8" in diameter, whereas a T6 = 6/8, T12= 12/8, etc. smaller diameter bulbs will allow you to pack more light in a smaller space. __________________ order some golf shoes, otherwise we'll never get out of this place alive. what can i say? in dog beers, i have only had one. - dublo8 Current Tank Info: 40B aiptasia farm

02/06/2009, 09:11 AM	#3
VacavilleFC3S Registered Member Join Date: Jun 2008 Location: Vacaville California Posts: 2,613	most t5 are t5ho also where t5 is not