I also grew one plant under a Mars TS-100. But this grow I upgraded my lights with one that didn’t cost all that much more - green-beams(dot)com. 240w high quality light for $179 + $17 shipping, and it’s assembled in the USA and shipped in about 4 days. I ended up with two of them b/c I was growing 5 plants.
Also: Do you have something you can set your babies on so they can be raised closer to the lights until you settle the situation? If you can’t lower the lights, raise the plants. Had to do that this grow b/c they were all different heights.
LSD auto “Lucy” - my glitterbomb girl, grown under TS-1000
GG4 auto “Slowpoke” last of my current grow, growing under Green-Beams 240. Her buds are getting ridiculously huge.