I used Nectar #4 for autos, uncut, for my first grow and it was way too hot. I stunted both plants.
I've tried twice more with it, first with the Nectar cut with 1/3 perlite, then with a mix of 1/3 very shitty, used up old potting soil, 1/3 perlite, and 1/3 Nectar. Only the last one didn't...