That might explain why it seems like they’re growing pretty slow. I don’t have a way of measuring ppfd right now, but it’s in a 4x4 tent and I have the dimmer switch set to about 40%. I may lower it a little and see if it helps.

 I’m growing in a cold basement so I’ve been trying to keep the dimmer switch set as high as I can without bleaching the leaves to generate extra heat because I don’t like leaving the space heater on if I’m away from home.