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soulsizzle
nobody f**kswith The Jesus

Registered: 05/17/05
Posts: 632
Last seen: 12 years, 5 months
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Preparing large amounts of casing
#5626827 - 05/13/06 11:06 PM (17 years, 8 months ago) |
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I am currently in the process of doing a grow involving 8 casings in 16qt rubbermaid-style containers. Each being 2 quarts of WBS spawned to hpoo. Previously I have done much smaller grows than this. Because of the smaller size of my grows, my casing prepartion has been more guesswork.
I was wondering if anybody had any tips on producing larger ammounts of casing material. More specifically, if I am creating a vermiculite and coir casing layer, how much do you think I will need of each? Do you think one brick of coir will be enough?
Any help is appreciated. I don't want to be short on casing material when it comes time, but I don't want to go overboard either.
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monstermitch
Growing in Bags Doesn't Work


Registered: 02/10/06
Posts: 3,911
Loc: Arizona Bay
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Re: Preparing large amounts of casing [Re: soulsizzle]
#5626848 - 05/13/06 11:13 PM (17 years, 8 months ago) |
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I don't suggest much coir in casings. Too many nutrients in it.
I suggest 45%verm, 45%peat, and 10%coir.
Than adjust ph with crushed oyster shells or powder. I set my ph at 7.5
mix super well in a large round tub. Mixing to field capacity.
load into fp bags and sterilize in the pressure cooker.
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Snaggletooth
Stranger in a Strange Land


Registered: 10/24/05
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Re: Preparing large amounts of casing [Re: soulsizzle]
#5626855 - 05/13/06 11:15 PM (17 years, 8 months ago) |
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One brick would be two much I think.
Best way is to make some, and then find out how much more...and so on.
You could try math; measure the length width and the height (casing layer like 3/4 - 1 inch for the height)...LxWxH = x then convert that number in to cups, http://www.unitcalc.com/calc_vap.php
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monstermitch
Growing in Bags Doesn't Work


Registered: 02/10/06
Posts: 3,911
Loc: Arizona Bay
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Re: Preparing large amounts of casing [Re: Snaggletooth]
#5626860 - 05/13/06 11:17 PM (17 years, 8 months ago) |
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I usually have my casing layer be 1/4 of the depth of the substrate and never going deeper than 1 inch.
Having pre-sterilized casing in fp bags or jars sitting around allows for quantity control and convenience
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Snaggletooth
Stranger in a Strange Land


Registered: 10/24/05
Posts: 6,109
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Re: Preparing large amounts of casing [Re: monstermitch]
#5626866 - 05/13/06 11:19 PM (17 years, 8 months ago) |
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oh yeah I meant 3/4 - 1/2....
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soulsizzle
nobody f**kswith The Jesus

Registered: 05/17/05
Posts: 632
Last seen: 12 years, 5 months
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Re: Preparing large amounts of casing [Re: Snaggletooth]
#5626944 - 05/13/06 11:44 PM (17 years, 8 months ago) |
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preparing large amount of casing material and keeping it in jars/fp bags does seem to be the simple solution, huh?
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Babo911
Pooper Scooper


Registered: 09/05/05
Posts: 1,745
Loc: Arizona Bay
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Re: Preparing large amounts of casing [Re: soulsizzle]
#5627676 - 05/14/06 08:50 AM (17 years, 8 months ago) |
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Persional i find that 50/50+ works great for me, for bulk I follow the steps in a CLEAN wheel barrow. Then I put into a pillow case, then tie it off and place in my PC 45 min @ 15 psi. I just make sure everything is loose and what not and there is space at the top.
Then i take it into my clean room with gloves on I place into pre cleaned ziplock bag's and store what ever is left for firther use
Let me know if I am doing something wrong, so far it has worked great
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Ronhero on the Growery is me
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monstermitch
Growing in Bags Doesn't Work


Registered: 02/10/06
Posts: 3,911
Loc: Arizona Bay
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Re: Preparing large amounts of casing [Re: Babo911]
#5627690 - 05/14/06 09:02 AM (17 years, 8 months ago) |
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pillow case in a pressure cooker may be no good.
once your casing is in the pressure cooker is has a delicate balance of moisture and ph.
by allowing it to be exposed in the pc you are loosing all of that.
the water/steam can wash away some of your buffering agents, mess up the ph, and foil your perfect water content.
use fp bags or jars.
no wheel barrow needed and no chance of ziploc failure. plus perfect ph and water content every time. No guessing.
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Babo911
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Re: Preparing large amounts of casing [Re: monstermitch]
#5627715 - 05/14/06 09:15 AM (17 years, 8 months ago) |
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Yes, this is true. I used to PC qurt jars with pre mixed 50/50+ and then put the lid upside down to prevent vacume lock so i can use it for caseing layer or patching.
I think this will sit well with others, onl reason i did the pillow case in PC was i was sick of dead space from jars
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Ronhero on the Growery is me
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monstermitch
Growing in Bags Doesn't Work


Registered: 02/10/06
Posts: 3,911
Loc: Arizona Bay
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Re: Preparing large amounts of casing [Re: Babo911]
#5627728 - 05/14/06 09:19 AM (17 years, 8 months ago) |
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patience....
patience....
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RogerRabbit
Bans for Pleasure


Registered: 03/26/03
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Re: Preparing large amounts of casing [Re: monstermitch]
#5627746 - 05/14/06 09:28 AM (17 years, 8 months ago) |
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Casing mix should NOT be pc'd. RR
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monstermitch
Growing in Bags Doesn't Work


Registered: 02/10/06
Posts: 3,911
Loc: Arizona Bay
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Re: Preparing large amounts of casing [Re: RogerRabbit]
#5627781 - 05/14/06 09:36 AM (17 years, 8 months ago) |
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good call RR.
most experienced people I know tell me to pasteurize casing, not sterilize it.
sterilized (pc'd) casing is far more susceptible to contams.
this is what you mean, correct?
pasteurizing will leave behind certain bacterias that will help guard the casing from unwanted contams but still allow the mycelium to do its thing
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soulsizzle
nobody f**kswith The Jesus

Registered: 05/17/05
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Last seen: 12 years, 5 months
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Re: Preparing large amounts of casing [Re: monstermitch]
#5629684 - 05/14/06 07:20 PM (17 years, 8 months ago) |
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From what I understand, casing material should be pastuerized. No reason it can't be stored in sterile jars though.
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hyphae
born to grow


Registered: 12/13/02
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Re: Preparing large amounts of casing [Re: soulsizzle]
#5629929 - 05/14/06 08:26 PM (17 years, 8 months ago) |
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I've sterilized as well as pasturized with very similar results both ways I now pasturize because of it's ease and it makes better mycosense to me thats all.
-------------------- Getting the most out of your casings!, A pinning strategy. Oyster Shell "Flour" $2 for 1lb. a hell of a deal Not what is overlay but rather what overlay is Gas Exchange vs. FAE "We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"
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acidbuba
Stranger

Registered: 01/31/06
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Re: Preparing large amounts of casing [Re: hyphae]
#5630403 - 05/14/06 10:10 PM (17 years, 8 months ago) |
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how do you pasteurize casing material with a PC? i have a rocker style PC... do i just leave the rocker off so that it doesn't build up pressure and if so how long???
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GraveReaper0
Stranger
Registered: 03/02/06
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Re: Preparing large amounts of casing [Re: acidbuba]
#5630437 - 05/14/06 10:18 PM (17 years, 8 months ago) |
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Well I do use a lotta coir and have had much success with it. For my casing I do 60/40 of verm/coir and add 10% crushed oyster shells and a pinch of blood meal. Mix it up, OVERSATURATE, load into a couple turkey sized tinfoil pans, cover with foil and bake at 200 for 2 hours. Because of the water evaporation the moisture level is perfect by the time they're done.
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HippieChick
Chicks can do it too!


Registered: 02/20/05
Posts: 5,958
Loc: Midwest
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Re: Preparing large amounts of casing [Re: hyphae]
#5630469 - 05/14/06 10:29 PM (17 years, 8 months ago) |
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Quote:
hyphae said: I've sterilized as well as pasturized with very similar results both ways I now pasturize because of it's ease and it makes better mycosense to me thats all.
I starting sterilizing mine 2 months ago and have had my best results to date . 
I use the 50/50+ . I make up 30 quarts worth at a time and PC it in the quart jars just like I was canning it . Rubber seal down . Seals and stays good for months 
I haven't had any mean green in quite awhile . Usually my casings just run out of nutes and I toss them after the fourth or fifth flush 
For your question on how much you'll need . I use 16 quart sweater boxes for my casings and it takes 1 1/2 quarts of casing mix to get a layer 3/8" deep .
Good Luck
Peace,Love,Happiness and Harmony Hippie Chick
-------------------- Peace,Love and Happiness HC Freedoms just another word for nothing left to lose.............. I LUV My Greenhouse http://www.shroomery.org/forums/showflat.php/Number/5545848#5545848 My First Pans http://www.shroomery.org/forums/showflat.php/Number/6212058#6212058
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Jack_Straw
ROC

Registered: 06/19/03
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Re: Preparing large amounts of casing [Re: HippieChick]
#5631008 - 05/15/06 01:06 AM (17 years, 8 months ago) |
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agar(i think?) said to sterilize casing mix (50/50+) then put it outside for a few days (in a mostly sealed spawn bag) to let beneficial bacteria/microbes back in.
is this wishful thinking/waste of time or is he on to something?
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nuk1m
Dutchman


Registered: 08/23/04
Posts: 460
Last seen: 10 years, 3 months
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Re: Preparing large amounts of casing [Re: Jack_Straw]
#5631250 - 05/15/06 02:49 AM (17 years, 8 months ago) |
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CASING layer is sterilized in microwave end of story.
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Babo911
Pooper Scooper


Registered: 09/05/05
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Loc: Arizona Bay
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Re: Preparing large amounts of casing [Re: nuk1m]
#5631426 - 05/15/06 05:23 AM (17 years, 8 months ago) |
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Quote:
nuk1m said: CASING layer is sterilized in microwave end of story.
Maybe if you had a 5.0+ CBI micro wave 
Micro waves are great for small amounts, but I don't know about you, my PC is bigger than my microwave
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Ronhero on the Growery is me
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