lumens

So I have 3 flowering plants in a 2x2.5 area and I was wondering if I have enough light for my situation. I have 5 lights, 4 are cfls, 1 42 watt, 1 26 watt and 2 23 watt, and the other is a red and blue led grow light, im not sure of the wattage. I have read that minimum is about 2500 lumens per...

I was wondering if anyone could give me a fairly straight answer,lol. I have heard a lot of things.But anyways the question is how many lumen's do each plant need to produce good yield. Not square footage or anything just each plant. Thanks a lot. There are so many different answers online it...

A lot of people have a lot of opinions on indoor lighting. It always comes down to lumens and it seems like the more lumens you can produce the better your crop is going to produce. I've looked at 4 foot 8 bulb T5's. as well as 400W 600W and 1000W lights in vented hoods. However, a lot of what...

I just got some cfls's, plugged them in, and noticed they were "soft white" bulbs. There's 550 lumens per bulb. Can I grow with these?

K here go its a lighting question for the most part with light its lumens that matter so the question is how many lumens are there in a 400w hps and how many cfl's would it take to match it been looking around and didn't see this question unless I mist it any answer appreciated please and thank u