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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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Large scale pasteurization with stock tanks
    #8855610 -

This is my pasteurization method for large batches of straw/hpoo/whatever (i use straw).  Currently I am using a total of (4) 4' x 2' x 2' galvanized steel stock tanks.  2 tanks are for presoaking and the other 2 are for the boiling of water.  Here is a picture of one of the boiling tanks up on blocks.  Not in time for this pic, now I have 2 tanks set up side by side to keep heat in better.




The lids for the boil tanks are made from sheet metal from an old washer, just the lid and front panel fit perfect on one of these tanks.


88-92qt rubbermaid/sterlite bins with drain holes drilled are used to move straw from presoaking tub to boiling tub and (after rinsing out) used to drain pasteurized straw.



The boiling tanks are placed up on concrete blocks (DO NOT use bricks, they will break from the heat!!!) with a smaller block on bottom with fencing sandwiched inbetween to make a raised area for the fire to burn.  I use wood pallets / skids for fire wood.  They are usually made of pine and go up very quick and hot.  In the past I was using split wood logs, but they just dont get hot enough and it will take about 4-5hours to bring a half-tank of water to boil.  Busted up skids will boil water in just over an hour.

Boil tanks are filled half-way with water.  Begin presoaking straw as soon as you start fire.  Each tank will hold roughly (5) 88-92qt bins packed full of dry straw.  You will need to soak and press it down as you add it into tank, but I guarantee it will all fit.  You can get about 3-3.5 bins worth of chopped straw for every average sized bail of straw, so figure you will need at least 1.5 bails per tank.

As soon as a FULL boil has been reached (not just little boiling on side) put fire out with garden hose thouroughly (will take about a full minute of spraying).  Dont let hot coals stick around to relight, unless you are operating during winter months when extra heat is a good thing.  Set a timer for 45 minutes and being boiling a 21qt spaghetti pot of water on the stove.  1 pot per tank.  On timer add boiling water to tank and set timer for 30min.  On timer remove straw from tanks with pitchfork into bins to drain overnight.

I currently don't amend the straw with anything other than lime, but I would like to add coffee gounds to the mix.

I pack straw and colonized rye grain into 1.5bu round laundry baskets then use 50-55gal clear plastic trash bags to cover.  Bags are pulled tight around the bottom with the end twisted tight and clamped with a large binder clip.



You can either make single or double stacks of baskets in the bags.  However, 2 baskets is heavy, probably about 70-100lbs when fully soaked so stick to singles unless you got a strong back (like me :wink:)

Once colonzed take bag off and place in fruiting area.  I fruit oysters in my basement with ventilation from outside and portable AC to cool things in the summer. 

Cubensis should be fruited with bags loose but still covering basket.  Carefully remove bag and mist inside of bag 1 or more times a day.  I don't recommend baskets for large fruit strains of cubensis like B+ because you will end up knocking off fruits when removing bag.

I'm sure there is more to this... questions?


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Evolution is Lamarckism in disguise.  Adaptation never creates a new species or trait, but rather the new species/trait always existed within the parent DNA until circumstances allowed it to be activated.  For instance, every wolf has the DNA for poodles, but that DNA would never be revealed without man selectively breeding for it.

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Re: Large scale pasteurization with stock tanks [Re: Buckeye Oysters]
    #8926253 -

Guess I missed this one.

What kind of flushes to those get with your oysters, weight-wise?

Edited by drwatson (09/13/08 11:12 PM)

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Re: Large scale pasteurization with stock tanks [Re: Buckeye Oysters]
    #9015161 -

How do you go about innoculating them?


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ﱞﱞﱞﱞﱞﱞﱞﱞﱞﱞ.When the inevitable time comes, go with your head held high,without regret or remorse, in your subconscious mind.
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Re: Large scale pasteurization with stock tanks [Re: teknix]
    #9020211 -

each basket gets 1 jar rye for oysters and 2 jars for trippy's.  Straw is layered with grain sprinkled evenly between making sure none of the grain is close to the outside of the basket.

I am averaging over 2 1/2 lbs per individual basket.  Lots of room for improvement though.


--------------------
Evolution is Lamarckism in disguise.  Adaptation never creates a new species or trait, but rather the new species/trait always existed within the parent DNA until circumstances allowed it to be activated.  For instance, every wolf has the DNA for poodles, but that DNA would never be revealed without man selectively breeding for it.

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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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