What size lights should I use in a 2mtr x 1mts square tent as my plants do not seem to be thriving
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Much more info needed, Type of light, height, soil, nutes, age...pics needed. Would be happy to help.Grow # 3 50/50 S/I Critical Mass photo fem
Seeds drop in water 1/8/2022
Medium: FF Coco Loco plus 30% Perlite in 7 gal cloth bags
Space: 30x48x62 DIY cabinet lined w/space blankets
Lighting: Bloomspect SS1000 Quantum board x 3 - 300 watts actual draw
Soil Supplements: Worm Castings, Crab Shell, Oyster Shell, Neem and Karanja Meal, Volcanic Basalt Dust (for minerals), Recharge root micros. Grow 3 is with reconstituted super soil to which I've added several additional minerals and supplements. A more complete list based on Cackamas Coots super soil recipe can be found in my Auto Toka thread
i don't grow plants anymore, I grow soil that my plants can thrive in!
My filtered tap water runs over 7.5 pH but the soil microbes
make pH correction unnecessary
Ventilation: Vipospar 4" Exhaust Fan w/RH controller, 12" Carbon Scrubber8" bottom intake fan, 6" clip on fan, 6" heater as neededCabinet on screen porch. N AZ @ 4000 ft.
My salute to all who have served
Semper Fidelis! -
I’d recommend LEDs somewhere around 300w for that size. Do two lights at 150w each instead of one single light.There are 3 things you must check everyday when growing in hydro:
1) Water level (How much h2o is she drinking in 24hrs)
2) pH level (change over 24hrs)
3) ppm/EC level (How much food is she eating in 24hrs)Comment
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Hey, I know you know better than me, is there something wrong with my calc below? -
Ooops...my bad. You are correct. I was thinking it was half of a 4’x4’ (600w) over 16 ft2. So yes...around 600w would be more accurate. I still recommend people buy multiple fixtures to cover an area instead of a single high power fixture.
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With a good quantum board light you need about 30 watts/ft2 from the wall. 2 m2= 21.5 ft2, so about 650 Watte, if the whole tent is used.Comment
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