Hi guys !! I bought a 65 watt CFL bulb, I think it haves around 4500 Lumens. When can i use this bulb on my plants?? thank you . I normaly use 26 watt CFL on my seedlings.
Anytime after they germinate. Same rule of thumb applies: it you hold your hand under it - palm down - and the heat does not bother bother it, it isn't too close.
