QB footprints?

Go go n chill

Go go n chill

Well-Known Member
Can someone give me a brief rundown of veg/flower footprints on the common boards? Please advertisers no comments from you..... just real time growers.
 
Airwalker16

Airwalker16

Well-Known Member
They're all about what the fixtures themselves claim. The easiest and most effective way to see what you'll need to do things right, 15watts/sqft in VEG, 30watts/sqft in FLOWER.
 
Go go n chill

Go go n chill

Well-Known Member
Airwalker16 said:
They're all about what the fixtures themselves claim. The easiest and most effective way to see what you'll need to do things right, 15watts/sqft in VEG, 30watts/sqft in FLOWER.
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30 W per square foot I would say that’s a minimum at least in my book
I have three purple lights and two cob fixtures get a 4 x 4 grow tent my total is 58 W per square foot
 
HolyAngel

HolyAngel

Well-Known Member
Go go n chill said:
30 W per square foot I would say that’s a minimum at least in my book
I have three purple lights and two cob fixtures get a 4 x 4 grow tent my total is 58 W per square foot
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those purple lights are usually way overrated for the actual current/voltage they pull. you likely don't have that much wattage in there but you'd have to go check the drivers yourself in those lights or use a kill-a-watt meter or something. 58watts/sqft of quality QB's(from hlg for instance) is gonna likely bleach your plants pretty fast.
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For actual quality leds like the qb's from hlg, 30-35w/sqft is about all you can do at ~18" and not bleach or stress the plants.

the qb288's are good for 2x2 all around imo, technically could veg at 3x3 with a single board but would be better to have 2 boards at a lower wattage than a single board in order to cover that full area in veg or flower. Not sure on the rest of the boards, i'd say probably 1x1 for the 132/120's and 2x2 for the 96 elites but i'm not positive on that. For anyone else that doesn't use HLG's designs, no clue.
 
Go go n chill

Go go n chill

Well-Known Member
HolyAngel said:
those purple lights are usually way overrated for the actual current/voltage they pull. you likely don't have that much wattage in there but you'd have to go check the drivers yourself in those lights or use a kill-a-watt meter or something. 58watts/sqft of quality QB's(from hlg for instance) is gonna likely bleach your plants pretty fast.
~~
For actual quality leds like the qb's from hlg, 30-35w/sqft is about all you can do at ~18" and not bleach or stress the plants.

the qb288's are good for 2x2 all around imo, technically could veg at 3x3 with a single board but would be better to have 2 boards at a lower wattage than a single board in order to cover that full area in veg or flower. Not sure on the rest of the boards, i'd say probably 1x1 for the 132/120's and 2x2 for the 96 elites but i'm not positive on that. For anyone else that doesn't use HLG's designs, no clue.
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Hey man thank you for that information. Yeah I’ve got a watt meter and I’ve checked all my lights. I even have 2 1000 hps that I don’t use.
I haven’t had any problems with my setup. I was thinking about adding some more plants I was trying to figure out what I wanted to do.... stay with cobs, which I’m familiar with or go to QB’s. Thanks again
 
Go go n chill

Go go n chill

Well-Known Member
HolyAngel said:
those purple lights are usually way overrated for the actual current/voltage they pull. you likely don't have that much wattage in there but you'd have to go check the drivers yourself in those lights or use a kill-a-watt meter or something. 58watts/sqft of quality QB's(from hlg for instance) is gonna likely bleach your plants pretty fast.
~~
For actual quality leds like the qb's from hlg, 30-35w/sqft is about all you can do at ~18" and not bleach or stress the plants.

the qb288's are good for 2x2 all around imo, technically could veg at 3x3 with a single board but would be better to have 2 boards at a lower wattage than a single board in order to cover that full area in veg or flower. Not sure on the rest of the boards, i'd say probably 1x1 for the 132/120's and 2x2 for the 96 elites but i'm not positive on that. For anyone else that doesn't use HLG's designs, no clue.
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Yeah what I posted his actual wattage
 
Go go n chill

Go go n chill

Well-Known Member
HolyAngel said:
gotcha, that's some crazy wattage then. I definitely think if you dropped the blurples you could go with something else and do less watts overall and still come out the same or better.
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My thread I started this morning is going a little bit off course if that’s OK. I keep looking at plants in my tent and trying to compare my luminous fixtures that I built to the purple lights that I bought. Some strains I see differences and some strains I do not. The three blurple fixtures pull about 460 watts.... I know another diy fixture could do the same area of the tent with half the wattage.
 
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