How many plants can I grow with 3x1000Watt HPS?

M

MadBlooded

New Member
My English is just enough to be able to tell what i want to tell

- title? And what dimensions the grow room must be?

-What is the difference to grow 2 or 4 plants per m2? intuitively 4 plants will give more yield. am i wrong?

-The distance between light source and plants?

-in winter, the cold weather always vent in the room. How can it be controlled and keep it constant at daytime at 27 celcius degree, at night at 20 celcius degree.

thanks a lot in advance, your answer will be appreciated. i really need these questions to be answered.

greetings...
 
Look up some journals that match what you want to do.

How much plants is up to veg time, you can veg for 8 weeks and get 4-6 plants in 5gal under 1 1000W or 20 in little pots vegt for 2 weeks.
1000W hps is for about 4x4 / 1,2 x 1,2m, distance 1-2´ / 30-60cm.
You need some big exhaust fan like 1500m3/h with filter and speed/temp controller.
Quit pricy in that range.
I grow at nights to keep temps ok in summer or you would need some 12000btu ac.
 
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