Yes, will it be the best? probably not, but its good for controlling heat and elec. cost. Read this thread about some experimenting with different t5 bulbs
https://www.rollitup.org/indoor-growing/358190-led-without-leds-my-first.html
tucking it out of the way is even better, because less stress even though trimming a leaf is very little stress, but with the fan leaf tucked it will still receive SOME light, so that will also help the plant
Its not even half way through august and I keep seeing all these threads about people complaining they dont have giant ass colas on their plants yet. It takes time..
youre supposed to supplement the co2 when the lights are off..
also regular yeast wont work because it kills itself when it produces alcohol. you would have to use brewers yeast even then it kills itself when it gets to 10-12% alcohol content