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SAP420 · #1 (**permalink**) Aug-11-2008, 23:04

Okay.... I have been growing in hydro for over 2 years and some of you have some seriously sick pics of monster buds coming off of your plants. I need to know just exactly what is the trick to this? Is it because of bloom boosters or what??? I bought some gh KoolBloom and will be using bloom boost for the first time ever. I'm averaging about 2 to 3 ounces off of 2 plants but I'm hearing shit like ppl harvesting like 5 to 6 ounces just off of 1 plant. I really am interested in this!

herbie the love bud · #2 (**permalink**) Aug-12-2008, 01:02

Strain and light. Ever hear of the gram/watt calc? Well people use it to kind of gauge their skill. A good grower is producing .5 gram per watt per harvest in their own comfortable style. To produce 1 gram per watt per harvest requires a SOG grow and CO2. 1 gram per watt per month (that's a real calc), I've concluded is a pure myth. No one anywhere has a guide to reproducing it. And I've searched.

xcrispi · #3 (**permalink**) Aug-12-2008, 01:20

Alot of it is strain dependent , lotsa veg time , from seed -n- not clone helps , Bloom boosters , carbs , and shitloads and shitloads of light . Look in the "DWC Club" thread . Or look thru some of my old threads . In waterfarms or my own 5 gallon contraptions I've gotten 16 to 21 oz plants . That aint nothing either , search "shaggytruedope" "giant bubblers" on here . 3 lb plants in 20 gal. recirc. DWC and 5600 watts .
Peace
Crispi

**stinkyattic** · #4 (**permalink**) Aug-12-2008, 10:10

Other way 'round.

0.5 gram dried,
Per watt of HPS light in the flower chamber,
Per month of time (30 days) the plant spends in the flower chamber

This equates to 1 gram per watt per 60 days.

That's the precise measurement for grow skill.

The constant is 0.5.
Say you are running a 7 week strain (49 days) under 2-600HPS.
0.5 x 1200= 600 per 30 days corrected 8/14 by stinky... I'm dense
600/30= x/49
Solve for x to find your target harvest weight.
x=980 and that is how many grams per harvest a good grower should be able to get with that strain and setup. That's about a pound.

test

elskeetro · #5 (**permalink**) Aug-12-2008, 15:54

Sooo...let me get this straight using the numbers from my last harvest...

i ran an 8 week strain under 1 400w hps...

0.5 x 400 = 200 per 60 days

200/60 = x/56

x = 186.6g

so 186g is my target...my actual was 135g...so not too bad for my 3rd grow...

do i have that all right?

**stinkyattic** · #6 (**permalink**) Aug-13-2008, 12:14

You're looking at 0.5g per MONTH measured as 30 days, rather than your total harvest time...
So you got 135 per 2 months which is 68 per month.
You should be aiming for 200g per month, but anything over 0.4g/w/m, I consider rock solid.
Keep at it; that number keeps climbing with every harvest!

Farmer Rich · #7 (**permalink**) Aug-13-2008, 14:40

So with light as a major factor, is it reasonable to assume I could potentially increase harvest weight by decreasing the number of plants in a small space? My flowering box is 4' x 2' with a 600 watt HPS, 5 plants can be a major trimming headache to keep the light flowing. Seems that 3 would work better with less leaf removal?

Peace, Farmer Rich

**stinkyattic** · #8 (**permalink**) Aug-13-2008, 14:48

The wisdom you seek may be found here, grasshoppa... The importance of a continuous canopy: It's all about EFFICIENCY, baby!
Trick is to lose no light to the ground. Every square inch of space under that light should be a lovely sea of green. Oh hey! It's even called that!

If you like to grow out large plants, try to arrange things so that the top of the plant is spread out nice and wide and shallow, so that each plant takes up a good bit of floor space (have the available pot space to match!), and the light can penetrate well.

herbie the love bud · #9 (**permalink**) Aug-13-2008, 16:35

the problem is that your growbox or closet is not exactly eficiently laid out because it's a rectangle. With that setup I would use 3.

foxysox · #10 (**permalink**) Aug-13-2008, 17:07

Nice catch Herbie.
Or if ya want to get fancy... a 600 on a light rail... oooooooh!!
*drool
=P......

Farmer Rich · #11 (**permalink**) Aug-13-2008, 19:53

Yeah, the joy of growing in a box. That's what I was thinkin' too as far as the numbers.. 3 plants will be just right for the box. 5 plants after vegging under MH for 4 weeks pretty well fill it up; and requiring way too much trimming for the remainder of the grow. Based on 300g total with my 600 watt HPS, the yield last grow was .5g per watt (9 weeks flowering would be .25g per watt/month). My canopy height was varying too much too. I'm also going with the same strain for all 3 plants this go around and will be topping as necessary for consistent height.

Also built another veg box to speed things up a bit. But I'm hoping to be outta boxes within the next year, way to restrictive.

Peace, Farmer Rich

herbie the love bud · #12 (**permalink**) Aug-13-2008, 23:09

That all sounds fantastic. Usually under a situation like a rectangle you would use two lower wattage lamps. Like 2 400s would have been fantastic.

Also, remember to prune your plants really sparse and you will save quite a bit of leaf and bud manicuring in the end.

herbie the love bud · #13 (**permalink**) Aug-13-2008, 23:16

Quote:

Originally Posted by stinkyattic

You're looking at 0.5g per MONTH measured as 30 days, rather than your total harvest time...
So you got 135 per 2 months which is 68 per month.
You should be aiming for 200g per month, but anything over 0.4g/w/m, I consider rock solid.
Keep at it; that number keeps climbing with every harvest!

I don't get it Stinky. He did the math correctly as per your equation and came out with a 186 grams target and hit 135g. But then you divided his number in 2 again? Where you thinking he was using more light? Or is there something missing in the equation?

hatecable · #14 (**permalink**) Aug-14-2008, 02:31

Quote:

Originally Posted by herbie the love bud

I don't get it Stinky. He did the math correctly as per your equation and came out with a 186 grams target and hit 135g. But then you divided his number in 2 again? Where you thinking he was using more light? Or is there something missing in the equation?

Im confused on that as well.

**stinkyattic** · #15 (**permalink**) Aug-14-2008, 09:54

In line 3 of his post, he uses both '0.5' and '60 days'.
0.5 is the multiplier for 'per 30 days'.
Given twice the time, your multiplier becomes '1.0'.
Read post #6...

Under a 400w lamp, you should get 200 grams per month of flower time.
If you run flowering 2 months, that makes 400 grams.
If you run flowering 1.5 months, that makes 300 grams.
Those are your target numbers with that light.

herbie the love bud · #16 (**permalink**) Aug-14-2008, 21:43

I hate to sound dense on this, but he used your exact formula from above. Could you look at your original calc post and his again?

Even still, .5 gram per month or 1 gram per watt per harvest aren't just good growers, they are fantastic growers.

Quote:

Originally Posted by stinkyattic

In line 3 of his post, he uses both '0.5' and '60 days'.
0.5 is the multiplier for 'per 30 days'.
Given twice the time, your multiplier becomes '1.0'.
Read post #6...

Under a 400w lamp, you should get 200 grams per month of flower time.
If you run flowering 2 months, that makes 400 grams.
If you run flowering 1.5 months, that makes 300 grams.
Those are your target numbers with that light.

SAP420 · #17 (**permalink**) Aug-14-2008, 22:01

I hear everyone use the term "SOG" which I know means sea of green.... but what does this whole deal mean? What does it refer to?

herbie the love bud · #18 (**permalink**) Aug-15-2008, 01:20

A traditional sea of green is when the number of plants creates a dense "sea of green." Generally it's done with a lot of little plants. You can pack as many as a 100 into a 4 x 4 area. When people do that many it is usually a very short veg time, like a week.

SAP420 · #19 (**permalink**) Aug-15-2008, 07:23

aaaahhhhh I C. Kool.

LOC NAR on probation · #20 (**permalink**) Aug-15-2008, 08:28

I have heard this SOG kind of confused lately.

A SOG is a continual Harvest each month or 2 weeks. Say as you harvest half the flower room you will have clones already vegged and ready to take the place of harvested ones. It's awsome. When they got me I had 5 months all lined up. Cloning ones, vegging ones. Within 6 months I would of had pounds. All different strains of delight.

Not to be confused with SCOG. Which is screen of green, where you have just a few or a bunch that are trained to grow through a screen to make the canopy all the same height. Mass harvest.

elskeetro · #21 (**permalink**) Aug-15-2008, 09:01

Quote:

Originally Posted by herbie the love bud

I hate to sound dense on this, but he used your exact formula from above. Could you look at your original calc post and his again?

Even still, .5 gram per month or 1 gram per watt per harvest aren't just good growers, they are fantastic growers.

I'll back this. I'm no slouch at math...but i can't seem to wrap my head around it...i spent a fair amount of time yesterday rechecking my math and comparing it to stinky's original equation and i just can't figure how i got it wrong.

**stinkyattic** · #22 (**permalink**) Aug-15-2008, 10:49

Oh shit.
Okay I fucked up in the demonstration one. Look at the worded description and then look at the math, and you can see in my first post that I inserted a 60 wehere it should have been a 30:
0.5 x 1200= 600 per 60 days
600/60= x/49

That's supposed to read:
0.5 x 1200 = 600 per 30 days
600/30 = x/49

DAGNABBIT I'm a dense one this week

Sorry guys. I have a math problem apparently!!!

herbie the love bud · #23 (**permalink**) Aug-15-2008, 12:46

Ok thanks Stinky that clears it up. Still though I think that bar is very hard to achieve.

hatecable · #24 (**permalink**) Aug-15-2008, 13:30

omg... she IS human

elskeetro · #25 (**permalink**) Aug-15-2008, 14:36

haha. excellent. i'm glad it got straightened out. I thought i was going mad...MAD!!!

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