mh is hotter then hps.

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09 outdoor permalink6thindoorpermalink
EVERONE IS ALWAYS SAYING TO ME WHAT CAN I DO TO BE MORE LIKE YOU

Yeah? Ill keep that in mind
I havent taken the jump yet. The 400w set up I have has a switch on it for MH also. I am going to get another 400w set up so I can use what I have now for veg. Probably wont be until around my birthday though(4-5 months)

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"A prohibition law strikes a blow at the very principles upon which our government was founded.”-Abraham Lincoln

My friend, you can go with a 400w hps for the whole grow. As do i.
As for the 400w 600w confusion, 600 watts may be 10 dollars more but you must think about in the long run on how much this setup will be costing you each month. It may not be that much difference but still you want it to be suitable for ur budget.
good luck mate

the lumans are quite a bit different. 400wtt has 40,000 to 50,000 lumans and the 600wtt has 90,000 lumans.

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09 outdoor permalink6thindoorpermalink
EVERONE IS ALWAYS SAYING TO ME WHAT CAN I DO TO BE MORE LIKE YOU

I have 2 closets. I would love to get a 400w mh in the veg room. If I ever have a clear flowering room I will for sure do a full grow under the 400w I just havent been able to yet

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"A prohibition law strikes a blow at the very principles upon which our government was founded.”-Abraham Lincoln

i would go with an air cooled 600, for 200 more watts you can have almost double the light so its really a no brainer, you will need to air cool it but thats not very hard at all, otherwise you should go with t5's, they actually put off more heat than an hps or halide of the same wattage its just that they spread it out over a larger space so it seems cooler but it is not

im going to order it now... anyway, last question.... does the light make any loud sounds? xD


oh i forgot... whats the difference from mh to hps?.....

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My beginner thread Help me to learn more

I think you should check this out:

http://www.htgsupply.com/viewproduct...roductID=52167

It's a trusted website, comes with everything your gonna need, best prices you will ever find, and it takes very little to setup.

For your space, 400 w is perfect. And the kit can let you alternate between MH light bulb for when their Vegetating and HPS light bulb when their Flowering.

Plus nutrients and mylar which would be expensive as fuck if you bought them alone.

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OH GOD THIS IS AWESOME!!! IVE NEVER SEEN LIGHTBULBS THIS BIG OMFG!!!!...... i just received it in the mail !!!!! i cant wait to get it set up


Edit: wow... its so bright and hot!! LIKE THE SUN!!!!!. Ok... so I bought some miracle grow soil at wal mart and just put it in a medium sizd pot. i put 1 seed of some chronic I smoked a week ago.. so i know this weed is gunna be dankiest of the dankest. so anyway..... i put like 8 cups of water over the soil and its like soaked... i poked a hole for the seed bfore the water and placed the seed in then I watered it.... now i put it under the light.... thats it huh?.. i set the plug in timer... soooo in how many days should the seed be sprouted up.


I bought the 400 W HPS

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My beginner thread Help me to learn more

did you germinate the seed first? Should be anywhere from 12hrs-a few days before it breaks ground

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"A prohibition law strikes a blow at the very principles upon which our government was founded.”-Abraham Lincoln