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04-23-2011, 01:20 AM #1Senior Member
T-8
ACF Indoor Plant Grow Lights & Information Guide
I wouldn't say that T12 or T8 suck. When I first started growing I received a free 4 bulb T12 lamp and used that to veg. Shortly after that I bought a 4 bulb T8 lamp. Just recently I bought an 8 bulb T5 lamp (435w). Now I've noticed an increase in growth from the T12 compared to T5, but honestly I wish I didn't buy the T5 and kept the T12 or just bought a 600MH or HPS.
Why?
1. T5 8 bulb produces alot of heat, and evacuation of heat needs to occur. You can burn your hand touching the bulb.
2. 600w at 18 hours cost 2 dollars more a month to run compared to my T5.
3. Plants will grow faster using MH or HPS compared to any CFL, T-whatever.
What is your veg size?319 Reviewed by 319 on . T-8 is it pretty safe that t-8's suck just as bad as the t-12s and my best bang for my buck is to go with cfls? I have a three in one meter and it confirmed this but also said that the cfl is brighter then my single t-5 h/o. Rating: 5