2,600s rock...I wont use a 1k on a scrog..you don't need the penetration...2 600s is only a bit more juice and a lot better
Are you guys suggesting that 2x 600w is a lot better than 1x 1000w?
How? It's only 200w more light.
So, everyone agrees that 1,200w of light is enough for 2.5mx1.5?
Agreed with f2, for the most part. 50-70 watts/ sq.ft. seems to be the sweet spot. Less affects yield adversely & more makes temp control a serious issue. 40 watts/ sq.ft. appears to be the minimum for good results.
Most of that's from observation rather than experience. What I'm sure of is that 1000w in a 4'x4' space works quite well.
i think you should read more about lumen to watt ratios. i'll try to explain it but it's something you should look up none the less if you're interested in this sort of thing. the 600 watt lights will produce more lumens per watt so even though it's only 600 watts it will have 88000 lumens while a 1000 watt will have 130000 if you compare the hortilux super hps bulbs. using a 600 give you 6 more lumens per watt for the same price of electricity. it's only 3600 lumens per 600 watt bulb difference but when you're paying for electricity, it's nice. plus all the other stuff they said about light distribution. it's what i wish i did before i bought my stuff.