Lighting hps dual spectrum for autoflower???

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what is better to grow autoflowering cannabis. i have a 400w hps with the normal red light or the ones with the dual spectrum. i've heard that the ones with dual spectrum had blue light and are very nice to autoflowers. what sould i use==???
 
I prefer the duel spectrum I think the added blue helps . :2cents:
 
I started my first Autoflower grow with multiple T5 - 8 Bulb fixtures with Vitalume grow and bloom bulbs.

I have used HID lights in the past and am going back to it in my upcoming Auto grow with 1000w Dual Arc (Dual Spectrum).

Looking forward to seeing how it does. I have reviewed several Auto grows with a 600w Dual Arc already that had very impressive results.
 
I wouldn't say a joke... the 1000w lights for example are 600w of red/orange and 400w of blue... thats not a tiny bulb by any standard I have heard of.
 
Got mine under a 250w blue cfl light until around a week when I put into final pots and put under the dual spec hps then.
 
Sorry, I should have been more speciffic.
T he 2 150w horti blue hps have a miniature lil bulb.
An the bud sux compared to a adding conversion Mh or chm bulb set up IMHO.
Way more white an better veg.



If the 1000 is running 400 blue that's not bad at all!
Thanks for the info man.
 
Some growers use dual spectrum lighting for photo sensitive strains. More light is most always better.
 
switch ur lights when posible,
i get my best results ( 350/425 grams 1,2m2 2*250watt evsa) when i use difrent lamps through out the whole run, when their in growing stage both lamps mh, than when thier into thier 2nd week of flower i change 1 of the lights for an hps 1900k than about 2 or 3 weeks later i change the last mh lamp for an hps super red 2000k
and the last 7 to 14 days i switch the hps 1900k for an mh lamp again

you may ask why, simple trichs dont develop under only red light, they will do milky but not do 50 %+ amber


@arboles that is also for the trichnome ripening most of those are 400 watt hps 2000K and 200 watt Mh 6500k
 
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