RedEyedRaver
Member
Hi there i have recently purchased a 2ft strip double flouro holder and had bought some t12 20W cool white and also t12 20W warm white bulbs for veging.
Two 18w t8 white halosphate bulbs came free with the light holder, does anyone know which is best to use the t12 or t8?
Two 18w t8 white halosphate bulbs came free with the light holder, does anyone know which is best to use the t12 or t8?