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# Need help

### #1 Buzzwell420 Posted 08 December 2011 - 01:47 AM

Buzzwell420

reefer brain

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You use 25 pounds of a 15-11-29 fertilizer mix in a 30 gallon concentrate tank, and then use a 1:100 dilution in your injector. How much nitrogen are your plants getting (in ppm)?

Use the following formula:

ppm = (% fertilizer) x (lb added to tank) x (16 oz per lb) x (.75) x (100/gal of concentrate) x (1/ratio of injector)

help

number 19

Title changed so it dosent fall under rep abuse. - KSR

Edited by KeepSmokinReefa, 09 December 2011 - 04:01 AM.

### #2 Nukes1337 Posted 08 December 2011 - 01:52 AM

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You're forgetting to divide by the square root of banana

Heres a chart detailing it .

No but seriously, I have no idea what any of that crap means.
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### #3 iSPARK Posted 08 December 2011 - 01:53 AM

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12
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### #4 BA Posted 08 December 2011 - 01:58 AM

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150ppm nitrogen

ppm = (% fertilizer) x (lb added to tank) x (16 oz per lb) x (.75) x (100/gal of concentrate) x (1/ratio of injector)

PPM = (15) X (25) X (16) X (0.75) X (100/30) X (1/100)
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### #5 Pass the dr0 Posted 08 December 2011 - 02:01 AM

Pass the dr0

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Yup I got 150 ppm
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### #6 Budbarian420 Posted 08 December 2011 - 02:03 AM

Budbarian420

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• 270 posts
Looks like math. Fuck that. This threat just got loco bananas

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### #7 peralta50 Posted 08 December 2011 - 02:04 AM

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### #8 Misc Posted 08 December 2011 - 02:06 AM

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How bout I just show you my boobs for reps
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### #9 ThreeNinesFine Posted 08 December 2011 - 02:08 AM

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### #10 08 BANSHEE Posted 08 December 2011 - 02:12 AM

08 BANSHEE

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How bout I just show you my boobs for reps

Good deal
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### #11 Nukes1337 Posted 08 December 2011 - 06:34 AM

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How bout I just show you my boobs for reps

### #12 Eric111E Posted 08 December 2011 - 06:52 AM

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you sure all this fertilizer is for plants?
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### #13 Stumbleweed Posted 08 December 2011 - 07:15 AM

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Way too fuking much!

Now...I will take that rep. BUT only if its 16 points!

### #14 MayorMcStoned Posted 08 December 2011 - 08:44 AM

MayorMcStoned

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• 3,492 posts

You use 25 pounds of a 15-11-29 fertilizer mix in a 30 gallon concentrate tank, and then use a 1:100 dilution in your injector. How much nitrogen are your plants getting (in ppm)?

Use the following formula:

ppm = (% fertilizer) x (lb added to tank) x (16 oz per lb) x (.75) x (100/gal of concentrate) x (1/ratio of injector)

help

number 19

Thats a lotta plants dude...

How bout I just show you my boobs for reps

### #15 hiimhi Posted 08 December 2011 - 10:26 AM

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150ppm

fuck beat me to it.

### #16 Travy Pants Posted 08 December 2011 - 01:14 PM

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### #17 Buzzwell420 Posted 08 December 2011 - 06:31 PM

Buzzwell420

reefer brain

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hahahaha it was my horticulture final.

and i just guessed and i got it right got a c in the class

cant rep everyone but

boobs would be nice

### #18 architoker Posted 08 December 2011 - 06:33 PM

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### #19 Misc Posted 08 December 2011 - 06:34 PM

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I'd suck on those nipples.

### #20 ThreeNinesFine Posted 08 December 2011 - 07:43 PM

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