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Grams Per Day: Determining Cannabis Yield Success by Weight

Marzbadrock

Plant of the Month: Sept 2015 - Nug of the Month: Jan 2016, May 2018
That's kinda cool tool! Thanks for the link maddabber. Off topic...anyone recommend a rosin press ?
 

Rider509

Well-Known Member
Kinda hard to change when nothing wrong
That's what the village wagon wheel maker said. :)
I still use HPS too. I turned it upside down and cook pancakes on it. :ganjamon:

Okay, okay, I actually vegged the Thaibodian Skunk under MH and began flowering under HPS until a spot in the flower room opened up. Guilty as charged.
 

Marzbadrock

Plant of the Month: Sept 2015 - Nug of the Month: Jan 2016, May 2018
I could see heat being a issue in alot of the country. I'm fairly far north in the Rockies and in hottest part of summer my room might hit 88° but in the winter I can heat half my house with 2 1000 watters!
 

gr865

Well-Known Member
@ Marzbadrock nice problem to have, my summers are burners, High 90's to 100's, nights high 70's and to 80's. Humidity always around 85 to 95%.
Damn I need to move.

I used HPS but switched to 315W CMH a few grows ago. Was heat issues for me, now I am very glad I did. Got decent results with the HPS but these 315's kill it.
 

Marzbadrock

Plant of the Month: Sept 2015 - Nug of the Month: Jan 2016, May 2018
I actually have to run heater in flower room from about November to June when lights off. I'm building 10 light flower room this summer so I'll probably be dealing with some heat issues in there.
 

36growingnoob

Well-Known Member
Givens:
G=grams harvested
W= watts of lights used for grow space.
D= number days grown


G grams÷W watts= X gpw (grams per watt)

X gpw / D days= Y gpwpd

Now factor in the sell price per Gram for 2 plants call them A and B.

Bud A resales for $10/g
Bud B resales for $13/g

Which grow will give the best return on the space resources used?

A = Ygpwpd x $10/g total return of. 10Y$pwpd
B= Ygpwpd x $13/g total return of 13Y$pwpd

Example given

Grower produces 280 grams under 630 w for 90 days for plant A. Plant resales $10/ g.

325grams is produced in 114 days with same light and retails for $13.

Which is most economical return?
 

Marzbadrock

Plant of the Month: Sept 2015 - Nug of the Month: Jan 2016, May 2018
A......$2800 return ÷ 90 days = $31.11 a day = .049 per watt per day
B......$4225 return ÷ 114 days = $37.06 a day = .058 per watt per day
 

Marzbadrock

Plant of the Month: Sept 2015 - Nug of the Month: Jan 2016, May 2018
I used your formula to and came up with same numbers or is there something obvious I'm missing? Wouldn't be first time!
BtW! I converted to quantum boards! Thanks Purplegunrack!
 
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