0
votes
1answer
48 views

Can sunlight be simulated?

Can you use certain consumer-lights for simulating sunlight? I know not any light will suffice, since they do not contain the same wavelengths as sunlight and whatnot. Or are there special lights ...
9
votes
4answers
699 views

Is condensation on my seed tray an issue?

I'm growing some seedlings in a tray that has a plastic lid. The sun causes moisture to condense on the lid. I was wondering: is this counter-productive, as the condensation then blocks the sun?