It's about 8 inches away from 2 T5HO, one 2700k and one 6500k. It's in an ikea glass cabinet growing alongside my petiolaris. Doesn't get too hot, 26-27 at its hottest. Nightime it probably drops to high teens low 20s. Humidity is likely no higher than 70 at its best, and gets as low as 40 ish. Leaf cuttings take well. It died back on me once but grew back from the roots.