View Full Version : Question about wattage
bloodbrother
06-30-2008, 09:13 PM
Do you need same wattage per sq foot for veg as you do while flowering? i am thinking of getting a 400W MH for veg then switch to 600W HPS. Question is if I use same space (12 sq ft) is it ok to use the MH for veg even though it is only giving a little over 30 watt/sq foot. I am thinking of growing them about 2 feet then put them into flower. thanks for any help!
NaughtyDreadz
06-30-2008, 09:21 PM
Assuming you have a 3x4 space, then I think your setup is fine... watch your temps and make sure ventilation isnt a problem... you should be fine...
also... depending on how many plants you have, you might want to flower them small in a SoG .. thats assuming you have a veg and flower room
bloodbrother
06-30-2008, 11:01 PM
well i was going to build a growbox of interior dimensions of ~3.4x3.4 for flowering and for veging... im not sure if imgoing to sog or scrog yet but ill probably experiment with both eventually. thanks for the reply
Revanche21
07-08-2008, 09:12 PM
no they don't have to be the same but the wattage for the ballast needs to be the same
If you have a 600 watt HPS ballast, you need a 600 Watt MH Conversion bulb
Puffzter
07-14-2008, 08:55 PM
Light seems ok, not great but ok.
However, if you are gonna veg to 2 feet (bit much, he) they will suffer under a 400W LH the last foot or half foot compared to better lighting.
Puffzter
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