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 daba
Stranger
Registered: 12/30/02
Posts: 3,881
Last seen: 10 years, 2 months
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 Re: Oysters on straw, first flush  [Re: brainbreath]
#2783686 - 06/11/04 12:59 AM (18 years, 9 months ago) |
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mmm tasty!
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 GGreatOne234
Stranger
Registered: 12/23/99
Posts: 8,946
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 Re: Oysters on straw, first flush [Re: brainbreath]
#2808658 - 06/19/04 11:15 AM (18 years, 9 months ago) |
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brainbreath, i understand everything you've described so-far except for the drainage, and the construction of the floor; i can't seem to make heads or tails of the diagram you made.. but i truly want to understand what it is your doing.
Also, what kind of 10'X20' extra-rooms are you speaking of? do you have a picture, or a company name (website) you can acquire such rooms from?
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Bolwarra
Stranger
Registered: 06/28/03
Posts: 247
Loc: Australia
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Re: Oysters on straw, first flush [Re: brainbreath]
#2809547 - 06/19/04 07:30 PM (18 years, 9 months ago) |
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Excellent!! always nice to see people growing for markets.
Congrats on a fantastic grow and such keen initiative.
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brainbreath
perpetual newbie
Registered: 06/13/03
Posts: 67
Loc: down on the corner
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Re: Oysters on straw, first flush [Re: GGreatOne234]
#2815578 - 06/21/04 10:19 PM (18 years, 9 months ago) |
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I hope this diagram will help a little. It's not to scale, and I think I may be wrong on the pvc size. I think the pvc is 1 1/2" not 2". The water follows the slope of the pipe to the sump pump where it is pumped to the sewer drain.
The 2"x4" supports for the floor are spaced 2' apart and the 4"x4"s are roughly 2 1/2' apart. Plywood is nailed on top, then it's covered with tyvek and a couple layers of plastic sheeting.
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shirley knott
not my real name
Registered: 11/11/02
Posts: 9,105
Loc: London 
Last seen: 6 years, 2 months
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Re: Oysters on straw, first flush [Re: brainbreath]
#2817286 - 06/22/04 01:41 PM (18 years, 8 months ago) |
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wow, nice work, brainbreath 
how much did they go for, a pound? and what is making all the humid air - coolmists, ultrasonics, what?
are there built-in fans?
 impressed
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buh
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brainbreath
perpetual newbie
Registered: 06/13/03
Posts: 67
Loc: down on the corner
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Re: Oysters on straw, first flush [Re: shirley knott]
#2818807 - 06/22/04 08:42 PM (18 years, 8 months ago) |
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Thanks 
The ventilation system I'm using is FP's air system II that I modified a bit.
The humidifier died on me pretty quick, so I removed the inner parts and dropped a 5 disc fogger from mainland mart in the housing. The fogger made the sprayers unnecesary, so I took them out. At the opposite end of the room there is a 6" exhaust fan.
They were sold for $25-$40 a 5 lb flat ($5-$8 a lb)
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DERRAYLD
Constructus
Registered: 05/13/02
Posts: 7,699
Loc: South Africa
Last seen: 54 minutes, 37 seconds
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Re: Oysters on straw, first flush [Re: brainbreath]
#2826581 - 06/25/04 12:56 AM (18 years, 8 months ago) |
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Did you put the ventilation system together yourself? or did you purchase the Air System II from FP?
I have just been building my slab for a 10mx5m tunnel and did the entire air system on my own with the help of a friend for litterally 1/4 the price.
You certainly have the right idea 
I`m interested in your drainage, do you think it`s necessary to have drainage?
I just mop up all excess in the room.
Also I find because of the inrcreased pressure in the room I get a lower spore load on the bags.
Once I have my latest tunnel complete I`ll post some images.
Edited by DERRAYLD (06/25/04 11:56 AM)
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Olgualion
Shaman-In-Training
Registered: 11/13/01
Posts: 1,253
Loc: Currently Earth...
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 Re: Oysters on straw, first flush [Re: brainbreath]
#2830267 - 06/26/04 09:45 AM (18 years, 8 months ago) |
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You guys are awesome! Sure wish I had the resources and confidence to take on such an endeavour!
Thanks for sharing!
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Study the past...
See the future...
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automan
blasted chipmunk
Registered: 09/18/03
Posts: 8,272
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Re: Oysters on straw, first flush [Re: Olgualion]
#2832586 - 06/27/04 06:17 AM (18 years, 8 months ago) |
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beautiful, man, 5 shrooms for you
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brainbreath
perpetual newbie
Registered: 06/13/03
Posts: 67
Loc: down on the corner
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Re: Oysters on straw, first flush [Re: DERRAYLD]
#2832841 - 06/27/04 09:00 AM (18 years, 8 months ago) |
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I bought the ASII from FP, I knew it could be done for less $$ but it was easier to do it prefab(I thought) With the problems I have had with it I would have been better off building my own.
I originally planned on just mopping up the water, but it doesn't work-there's just too much water. Absolutely necessary, drainage that is.
I don't understand about a decreased spore load on the bags? My grow is pressurized, the spores coat everything -the floor, walls, ceiling, the columns, lights- if I don't clean the exhaust fan daily it gets so coated with spores it will burn it up! No joke, I've had to replace the exhaust fan twice because I didn't keep on top of it.
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DERRAYLD
Constructus
Registered: 05/13/02
Posts: 7,699
Loc: South Africa
Last seen: 54 minutes, 37 seconds
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Re: Oysters on straw, first flush [Re: brainbreath]
#2832918 - 06/27/04 09:37 AM (18 years, 8 months ago) |
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My tunnels are generally slanted downwards and most of the moisture builds up on one side of the tunnel.
I use a super-mop to soak up excess.
By my reckoning a drainage hole was going to create an entrance point fr contams so I rather do manual mopping.
Regarding the exhaust fan I`m also a bit confused.
The asII is supposed to be able to handle 3000 - 20,000 cubic feet? by my reckoning you are loosing a fair amount of pressure by not creating the correct active pressure.
Just oversizing an environment system doesn`t mean it works.
I try to spec out my system to the size of the tunnel and a few cubic meters more.
I find it maintains very well.
Overspec in my opinion causes burn-out of parts because of incorrect operational settings.
Don`t get me wrong, I like what you have done.
I just don`t personally rate the system too highly.
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brainbreath
perpetual newbie
Registered: 06/13/03
Posts: 67
Loc: down on the corner
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Re: Oysters on straw, first flush [Re: DERRAYLD]
#2833001 - 06/27/04 10:13 AM (18 years, 8 months ago) |
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How do you mop up after cleaning? I din't originally have drains, but it was impossible to maintain. I found 2 problems with not having a drain, the first being the daily cleaning needed to keep the mess of spores constantly generated by the mushrooms under control, and the fact that the growroom is flooded after cleaning. I don't see how you could possibly get away with growing in a large space and not have to hose it down daily, at least once(I do twice daily)which would leave you with so much water on the floor you couldn't mop it up efficiently.
If your system was positively pressurized no contams would get in through the drain, airflow would be down and out 
I added an exhaust fan because I have less than 3000 cubic feet, there was too much backpressure. The burnout is definitely not from "overspec" the spores physically block the operation of the fan and cause it to burn out.
I don't rate the system too highly either, IMO it's junk. The only original parts still on it are the blower and the mixer box, expensive lesson 
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DERRAYLD
Constructus
Registered: 05/13/02
Posts: 7,699
Loc: South Africa
Last seen: 54 minutes, 37 seconds
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Re: Oysters on straw, first flush [Re: brainbreath]
#2833071 - 06/27/04 10:35 AM (18 years, 8 months ago) |
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I hear what you`re saying.
I mop
It`s not like I`m going anywhere.
And I do mop it effeciently.
Other than that we agree the system is pretty shyte.
I`m surprised your blowers haven`t all bombed out.
Great job though.
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DERRAYLD
Constructus
Registered: 05/13/02
Posts: 7,699
Loc: South Africa
Last seen: 54 minutes, 37 seconds
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Re: Oysters on straw, first flush [Re: DERRAYLD]
#2833096 - 06/27/04 10:41 AM (18 years, 8 months ago) |
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The most reasen system I am thinking of putting a run-off valve at the bottom of the slope just to make the actual removing off the water faster.
Becomes a bit of a mission to do all the work.
Easier to drain in many respects but as I said, time is no issue, if it is then I`d agree with your drainage.
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brainbreath
perpetual newbie
Registered: 06/13/03
Posts: 67
Loc: down on the corner
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Re: Oysters on straw, first flush [Re: DERRAYLD]
#2834745 - 06/27/04 09:20 PM (18 years, 8 months ago) |
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Now that I think of it, the blower isn't the original. I swapped it for a blower with less cfm because the original had too much power.
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DERRAYLD
Constructus
Registered: 05/13/02
Posts: 7,699
Loc: South Africa
Last seen: 54 minutes, 37 seconds
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Re: Oysters on straw, first flush [Re: brainbreath]
#2835201 - 06/28/04 12:30 AM (18 years, 8 months ago) |
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hahahaha, thought ass much.
The axial fans I use produce a better flow rate while not being overpowered like those squirril cage style fans.
Also the axial fans last longer from my experience.
Cool to chat to you though Brainbreath.
A man like myself.
Not afraid of a bit of work
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