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Old 12-23-2006, 12:59 PM #1
simpletbrain
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Cool Simple brain box 250W DWC, Scrog

Hello. Im new, i like sharing.

Flower Room
22" Deep x 26" Wide x 36" Height

250W HPS w/ Remote Ballast, Batwing Reflector w/Pyrex Dish on Fishing Line

Digital Thermometer & Humidity RadioShack

Dayton 140CFM Squirell Cage Blower

58 qt Res, 13"H x 18"W x 13"D,

Milwakuee PPM Monitor

Seedling Stage - Soaked in Tap water for 24Hrs, Cracked soil in 48hrs total time
4 Female Seeds Northen Lights

Grown under 2- 42w Fluorex 65Kelvin Color Temp 4400 Lumens
Seedling room - 13"W x 22"D x 23"H

Initial Plan was Soil grow under BOG Method. (search BushyOldGrower + fsbookco in google)

Struggled with them for 21days. Stagnant growth halted. Leaves turned yellow and curled. I trimmed the dead plant material. Inserted Martha Stewart Kmart soil in 20oz cups into this batch of lovely hydroponic perfection.

11Gal Tap Water @ 140PPM
3.5tsp/gal GH Micro, Grow, Bloom
1 tsp Epsom Salt ,(1/4tsp/3gal)
10 ounces of Hydrogen Peroxide.

Been in DWC for One Full Day & Night. Its on its second night. PPM around 600 after topping off with 2Quarts of pH Adj. Distilled Water.

pH adjusted to 5.5 w/ GH pH Down concentrate - 1/2tsp total

Two - 2800cc/min Air Pumps w/ 4 - 10" Air Stones

Floating Aquarium Tempurature @ 74F

Having trouble with temperatures 85-96F Highs with lights ON . Dry climate @ 27% relative humidity.

The clearance between Pyrex glass shield and top of res is 10"

Vertical Analysis
9" Lamp
3" From Bottonm of Pyrex
13" Res Height

=27" -36" = 11" Touching the Pyrex glass.

Maybe my ventilation is wrong. Too much ventilation

Box Dimensional Volume
40"W x 22"D x 36"H
3.5ftx2ftx3ft = 21 Cu. Ft. (.056 cu. meter)

140CFM / 21 = 6.66 box exchanges/minute
Blower on Timer - 15minON/15OFF - 24hrs

Optimal Height of Lamp on a 250W is 8" according to theGhost. Great Medical Cab. Great work.

My Cab is shit i need to redo all over. Bad planning. But learned a lot. Mos def need to clean it up like your cab. Light & Air tight.

Im planning of building the frame out of 2x2. Then maybe MDF or Pine 4x8 to finish it nice and neat. DYI is mos rewarding.

Maybe when i redesing this cab with a better Lamp Heat management, I also can yield 5-7oz of Kind Bud. The temp are ridicul. How can you Mister Ghost such good temps with inline 90mm computer fans. Compared to a Dayton? Interesting... sometimes the best equipment is just not suitable for the task at hand.

Peace... by the way this is my first grow.

Pictures will be up soon.
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Old 12-24-2006, 09:34 PM #2
Deft
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Daft DWC, holy grail DWC 250w
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Old 12-26-2006, 06:19 AM #3
simpletbrain
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Pics

There











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Old 12-26-2006, 11:32 AM #4
tngreen
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a little confused, why use the soil in a hydro tub? i just dont see that working very well. im using mini rockwool cubes in 3.5" net cups and the plants love it. that or hydroton, lava rocks seems like a better option. rinse the roots very well before transplanting though.
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Last edited by tngreen; 12-26-2006 at 11:33 AM..
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Old 12-26-2006, 03:11 PM #5
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Yarrrr, matey! If those cups are still filled with soil, you'll want to get that out ASAP. Here are a couple of relevant links on the topic:

https://www.icmag.com/ic/showthread.php?t=45366
https://www.icmag.com/ic/showthread.php?t=44306
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Old 12-26-2006, 06:55 PM #6
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1 - get the soil out of there
2 - what is that pyrex dish doing, probably more harm than good
3 - cooltube your light to fix temp problems
3a - what is your intake setup?
4 - if you want 7oz, 8oz, .94g/w or whatever, you need co2


good start and i like where you are going. as you said you need to rebuild the cab. to maximize yields in a small space like that you should look into growing single colas (alot of them). i think your goal can easily be achieve with the proper path.
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Old 12-26-2006, 11:27 PM #7
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in progress



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Old 12-27-2006, 10:13 AM #8
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Update

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Old 01-03-2007, 06:33 PM #9
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no up dates?
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Old 01-10-2010, 06:47 PM #10
Dislexus
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Nah his mom needed her pyrex back to make some brownies.
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