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FooMan



Registered: 02/02/05
Posts: 8,957
Loc: Earth
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Grow Bag Pointers 2
#9044907 - 10/07/08 08:57 PM (16 years, 3 months ago) |
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I keep seeing questions popping up regarding grow bags, mycobags, grain bags, whatever you want to call them. First off, not all bags are the same as far as how you can use them. Bags that contain only grains such as rye, millet or popcorn are spawn bags regardless of the vendor label for them. They may grow a few mushrooms invitro, but these bags are best suited as grain spawn for a bulk substrate or to be broken up and cased. They simply don't hold enough moisture to produce decent flushes.
The bags that are intended for growing mushrooms invitro combine grains with ingredients that are able to retain moisture such as vermiculite and coir. These are the type of bags found on www.themadseason.com and a few other vendor web sites.
I keep seeing posts with noobs asking "why haven't I seen growth, it's been 3 days?". Well, if you injected your spores in the center of the bag, the mycelium will have to grow from the inside out and will take time to be visible. Every time you handle and squeeze the bag looking for the mycelium, you are shifting the substrate around and possibly damaging whatever mycelium may be present. Impatience here will cause more problems.
Another thing I keep hearing from noobs and veteran growers alike is that multispore inoculations won't work with these bags and that you need a liquid inoculant. This simply isn't the case in my experience with the mad season type of bags.
My personal recommendations:
- Inject your inoculant along the sides of the bag like you would a brf/verm jar so that you will see growth along the sides as soon as it occurs. This should help you not freak out when growth doesn't appear within a week.
- DO NOT mix the substrate around after injecting your spores. Wait until you have 30-40% colonization or more, THEN mix the substrate around to mix the colonized with the uncolonized portions, then leave the bag alone until colonization is complete.
- LEAVE THE BAG ALONE for the first couple of weeks. This goes back to the point I made earlier about damaging whatever mycelium might be growing within the bag.
When I used the bags, I would inoculate them and leave them in a closet for at least 3 weeks before I even looked at them.
Anyway, here are some old pics I dug up to show that the bags will work using just spores and a little patience:
  
  
Toilet flush simple if you follow the directions and leave the bags alone
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Quick WBS Prep
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nastea
Captain Obvious



Registered: 09/04/08
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Re: Grow Bag Pointers [Re: FooMan]
#9044937 - 10/07/08 09:00 PM (16 years, 3 months ago) |
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Great write up hopefully people take the advise and bookmark the thread. I know I will to point further questions to here
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FooMan



Registered: 02/02/05
Posts: 8,957
Loc: Earth
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Re: Grow Bag Pointers [Re: nastea]
#9045124 - 10/07/08 09:32 PM (16 years, 3 months ago) |
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One more thing I forgot to mention. Occasionally the bags will be very tightly packed like they were vacuum sealed or something. If the substrate in the bag is like that when you get it, give it a massage to loosen it up a bit before inoculating. This will allow the myc to move through the substrate more easily and speed colonization.
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Quick WBS Prep
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prolecat
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Re: Grow Bag Pointers [Re: FooMan]
#9045174 - 10/07/08 09:44 PM (16 years, 3 months ago) |
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Can you inooculate them, leave them for a month, when fully colonized cut the tops off the bags and put them in a styofoam cooler and they will just fruit up from the bottom of the bags like those pictures?
On that website, they sell 1pound bags.. if followed the above mentioned method what is a conservative estimate of yield per bag? Would it be similar to PFTek.. or larger yields?
Im just trying to figure out cost effectiveness of these bags vs cakes
-------------------- FLORIDA GATORS
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FooMan



Registered: 02/02/05
Posts: 8,957
Loc: Earth
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Re: Grow Bag Pointers [Re: prolecat]
#9045672 - 10/07/08 11:07 PM (16 years, 3 months ago) |
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Figure an average of half an ounce dry total per bag.
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Quick WBS Prep
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ozzyballs
gone


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Re: Grow Bag Pointers [Re: FooMan]
#9046607 - 10/08/08 07:41 AM (16 years, 3 months ago) |
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very good advice thanks. im just starting with bags. is it ok to seal the bags before pressure cooking them
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boomer q
Comrade General



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Re: Grow Bag Pointers [Re: prolecat]
#9046944 - 10/08/08 10:14 AM (16 years, 3 months ago) |
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Quote:
prolecat said: Can you inooculate them, leave them for a month, when fully colonized cut the tops off the bags and put them in a styofoam cooler and they will just fruit up from the bottom of the bags like those pictures?
you could do that if you wanted, but theres really no need. the bag already has the proper humidity in it. it makes it very easy
what is in those mad season bags? i usually make either a totally grain bag for just spawn, or just a poo or coir based bag. is it just grains and verm?
-------------------- I got bags of funk and i sell em by the tons
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nastea
Captain Obvious



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Re: Grow Bag Pointers [Re: boomer q]
#9049334 - 10/08/08 06:02 PM (16 years, 3 months ago) |
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All that TMS states is:
Quote:
Our Grow Bags, also known as MycoBags, contain our own grain based mix. The Grow Bags contain approximately 1 pound of substrate each. The bags themselves measure 18" H x 5.5" W x 4" D. They can be used to grow many types of mushrooms within the bag or can be used as spawn for a bulk substrate. They are pre-sterilized and include a self-healing injection site and a filter patch to allow for gas exchange. Mushrooms may be grown inside of the Grow Bag or you can take the colonized substrate out of the Grow Bag and case it with your favorite casing mix. All that is required is a spore syringe. Our Grow Bags are a great alternative to many of the other overpriced mushroom growing kits on the web today. Check them out to see why it doesn't get any easier than this!
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youngblood
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Re: Grow Bag Pointers [Re: FooMan]
#9106979 - 10/20/08 10:22 PM (16 years, 2 months ago) |
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Good write up, but I guess I'm still confused/curious about these bags. From what I under stand, you don't need any tubs or chambers. You just let the bag do its thing in your closet. Am I off here? Or do you still have to incubate and place them in a fruiting chamber?
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Damion5050
Mush Doctor


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Re: Grow Bag Pointers [Re: youngblood]
#9106984 - 10/20/08 10:23 PM (16 years, 2 months ago) |
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J3illy
Trainee

Registered: 10/18/08
Posts: 3,344
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Re: Grow Bag Pointers [Re: FooMan]
#9107175 - 10/20/08 10:55 PM (16 years, 2 months ago) |
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Quote:
FooMan said:Bags that contain only grains such as rye, millet or popcorn are spawn bags regardless of the vendor label for them. They may grow a few mushrooms invitro, but these bags are best suited as grain spawn for a bulk substrate or to be broken up and cased. They simply don't hold enough moisture to produce decent flushes.
Oh no, are these bags gonna be OK I ordered??? This is the guy from Mycofactory and they're the same bags as on there...
Edited by J3illy (10/21/08 08:49 PM)
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fungiamongi2
pharmer




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Re: Grow Bag Pointers [Re: J3illy]
#9107498 - 10/20/08 11:47 PM (16 years, 2 months ago) |
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from the looks of them, theyd be great to spawn to a bulk sub. fruiting them might not give you too much.
-------------------- gonna bring her a kiss, make those blues run
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J3illy
Trainee

Registered: 10/18/08
Posts: 3,344
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Does anyone have experience fruiting in an "Enriched Grain Based MyShroominBag" from Mycofactory???
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J3illy
Trainee

Registered: 10/18/08
Posts: 3,344
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Re: Grow Bag Pointers [Re: J3illy]
#9108995 - 10/21/08 10:16 AM (16 years, 2 months ago) |
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Sorry for bumping this but I need to know if I should cancel my order! I ordered Mycofactory MyShroominBags and I need to know if I'm gonna be able to fruit in them, after I read this post from Fooman.. Here's the bags I ordered
Quote:
FooMan said: Bags that contain only grains such as rye, millet or popcorn are spawn bags regardless of the vendor label for them. They may grow a few mushrooms invitro, but these bags are best suited as grain spawn for a bulk substrate or to be broken up and cased. They simply don't hold enough moisture to produce decent flushes.
Edited by J3illy (10/21/08 08:49 PM)
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J3illy
Trainee

Registered: 10/18/08
Posts: 3,344
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Re: Grow Bag Pointers [Re: J3illy]
#9109508 - 10/21/08 12:23 PM (16 years, 2 months ago) |
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Guys I need your help from mycobag experience! I wanna fruit right in the bag - and I NEED to know if I can do this in an enriched-grain MyShroominBag from Mycofactory!
Edited by J3illy (10/21/08 08:50 PM)
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EthericOctopuss
One foot in, onefoot out


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Re: Grow Bag Pointers [Re: J3illy]
#9112333 - 10/21/08 08:36 PM (16 years, 2 months ago) |
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This was a great write up with short, easy to understand info. Thanks for the tips FooMan.
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juju
Stranger
Registered: 10/17/08
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Hey, sorry for necromancing this thread, it has some very useful information and I figured it'd be better than making a new one.
I was just wondering if you think it would be possible, and if so, worth it, to make up a grow bag from oven bags? Is it a different material or a different shape that would prevent it from being as effective as a vendor bought bag? Thanks for you replies.
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airborne robot
Stranger

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Re: Grow Bag Pointers [Re: juju]
#9177636 - 11/03/08 01:33 PM (16 years, 2 months ago) |
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There was a tek I think with oven bags. The guy used one big ass bag for the grow and knocked it up with like 10-20 cc's. It is possible and I could see it working. You could use a ziplock if you got it sealed and it survived the PC. I had a buddy make 1/2 pint jars of WBS for no other reason than G2G xfers. 1/2 pint of white ropy WBS in a fresh bag of about 2 quarts WBS and they take off like mad.
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juju
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I was thinking of 'noccing up some pasturized hpoo and/or coir with some colonized pf jars. (I don't have a pc....yet) I'd just boil or bake the bags full of substrate to pasturize. Think it'd work?
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juju
Stranger
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Re: Grow Bag Pointers [Re: juju]
#9177866 - 11/03/08 02:20 PM (16 years, 2 months ago) |
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J3illy
Trainee

Registered: 10/18/08
Posts: 3,344
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Re: Grow Bag Pointers [Re: juju]
#9177969 - 11/03/08 02:49 PM (16 years, 2 months ago) |
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I'm not very familiar w/ oven-bags - but what makes the Mycobags work good is the filter-patch they have on them for gas exchange.. I doubt an oven bag has that, but I dunno.. And you can also order EMPTY Mycobags from vendors for cheap - I know www.themadseason.com has 100 for $40
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Nibin
Getting there



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Re: Grow Bag Pointers [Re: juju]
#9178058 - 11/03/08 03:02 PM (16 years, 2 months ago) |
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Quote:
juju said: I was thinking of 'noccing up some pasturized hpoo and/or coir with some colonized pf jars. (I don't have a pc....yet) I'd just boil or bake the bags full of substrate to pasturize. Think it'd work?
Works a treat. I have grown loads like that as it is EXTREMELY hard to find a decent sized PC that works at 15PSI here (outside the US) I finally got one a couple years back.
BUT pasteurize properly. A quick search will show you how.
-------------------- Newcomers guide-----> For all things shroomy
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slacker008
Resident Psychiatrist



Registered: 05/21/08
Posts: 1,103
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Re: Grow Bag Pointers [Re: FooMan]
#9632505 - 01/18/09 03:20 PM (16 years, 2 days ago) |
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Quote:
FooMan said: Figure an average of half an ounce dry total per bag.
I pulled 4 oz from my last bag.
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ironcladskin
Rock 'N' Roll


Registered: 03/05/09
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Re: Grow Bag Pointers [Re: FooMan]
#9914642 - 03/05/09 01:05 AM (15 years, 10 months ago) |
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Hi guys, I'm new here.
I just went ahead and ordered a B+ syringe from sporeworks as well as 2 Grow Bags (one from a reputable eBay seller, and one from themadseason.

I've grown using the basic PF tek before, but never with these bags, and I'm looking forward to giving them a shot.
I intend to use the bags the whole way through and not mess with any grow chambers, etc.. Any recommendations for incubation and fruiting temperatures? I have a closet 
Thanks!
-------------------- --
Bleed The Life From Life Itself
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stsdude2
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Re: Grow Bag Pointers [Re: FooMan]
#9952241 - 03/11/09 03:02 PM (15 years, 10 months ago) |
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what is the general yield of one growbag, I am going to be growing for the first time and I'd like to get my moneys worth so growing can be cheaper for me than paying for eighths, quarters and the lot. After doing the math for one growbag, spores, and a syringe it would be around 50 bucks with shipping included, would the bags yield a large amount of mushrooms, I generally pay 35 for 3.5 grams and I'd like to get more than that at least.
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po0dingles
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Re: Grow Bag Pointers [Re: stsdude2]
#10900609 - 08/20/09 09:12 PM (15 years, 4 months ago) |
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Can someone better explain the process for the grow bag? From my understanding, you inoculate the bag, wait for mycelium to grow. Then you break it up and allow it to repair and spread more thoroughly through the bag.
AT this point, I'm confused.
The next step would be to fruit the bag, correct?
Would it be recommended to remove the brick from the bag and dunk it (put it in a bucket of water)? I've read tutorials where people take vermiculite cakes and dunk them, but what about a rye mycelium brick? Is this necessary?
Also, if you fruit the rye mycelium bag, would it be recommended to cut it in half so there is more surface area (and thus more possible locations for mushrooms to fruit??
My thinking is this:
I take the bag, open it up when I'm ready to fruit. Cut the brick in half and put it in a rubbermaid container that has perlite and use the mycelium brick as if it were a giant vermiculite cake. Will this work well? Or am I going about this all wrong.
It seems everyone else is just incubating the bag and then throwing dirt over it to fruit it...
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lolskies
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Step 1. Inoculate Bag Step 2. ??? Step 3. Profit
its a bag! inject and leave at room temp, a week after its completely white give that puppy 12/12
fruit invitro or not your choice
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Nibin
Getting there



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1) inoculate bag
2) Wait for a certain % of substrate to be colonized
3) Break up and massage to spread the colonized bits all over the contents of the bag (speeds up the colonization process dramatically)
4) Either fruit in the bag, or put into a container and fruit, or use as spawn, or use to inoculate more bags.
-------------------- Newcomers guide-----> For all things shroomy
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barney_mayerson
finger lichen



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Re: Grow Bag Pointers [Re: FooMan]
#11513551 - 11/23/09 06:33 PM (15 years, 1 month ago) |
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Hope this bump is kosher, this thread is really helpful but o could use some advice on inoculating. On the Mad Season's site they say the following..
Quote:
Squirt between 2 to 5cc's of spore solution directly into the substrate material.
Where FooMan's advice is to..
Quote:
Inject your inoculant along the sides of the bag like you would a brf/verm jar so that you will see growth along the sides as soon as it occurs. This should help you not freak out when growth doesn't appear within a week.
My first question is, does FooMan's method actually improve or speed up colonization, or is just a matter of being able to 'see' the process sooner?
Second, the Mad Season recommends 2-5 cc's per bag. Should one inject it all in one shot or should one try to spread it around with several shots (the injection site is kind of small)?
-------------------- "Is", "is." "is" — the idiocy of the word haunts me. If it were abolished, human thought might begin to make sense. I don't know what anything "is"; I only know how it seems to me at this moment.
RAW
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blackflag856
level 3


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Re: Grow Bag Pointers [Re: juju]
#21366405 - 03/05/15 02:26 PM (9 years, 10 months ago) |
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I've had a grow bag for 2 months now, and basically, only have the rye grain bag has colonized white sucessfully; does anyone from this thread have any tips? Is 2 months for rye grain bags still working?
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lvlupten2
Observer/Interpreter



Registered: 02/19/15
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Grow bag temp. question...
As the bags continue to colonize more and more, should the room temperature be changed, given that mycelium generates heat?...more mycelium, more internal heat, lower room temperatures needed?
Would I be able to read the internal temperature of a bag without introducing contaminants in hopes of noticing any temperature changes made as the substrate colonizes more and more..
Thanks in advance.
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