The seedling is 4 days old. It's ULH, lots of Sativa, so she should be able to handle a bit more heat. I have a grow and/or bloom switch. Since its an Auto I decided to switch both on for this grow. It's a 144W LED. Not switching on bloom seems to keep the temps down by 2-4°, so that would help, but I need to get her to get as big as possible. Switching off bloom means only about 70W. I reckon more light is better. Color doesn't really matter during grow, I feel...but please correct me if I'm wrong.
Is it bad to switch the extra bloom light on and off when needed?