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iamyour_messiah
Stranger

Registered: 03/07/06
Posts: 273
Last seen: 4 years, 1 month
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casing before 100% colonization
#5901516 - 07/26/06 10:13 AM (17 years, 6 months ago) |
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Would there be any significant difference if you were to case a bulk substrate at say 95% colonization, as opposed to 100%?
If suspect you're leaving a bigger opening for contams if even a part of the substrate isn't colonized, but it's so far along already and tbh I just wanna get the casing on there. Doubt too much can go wrong since it's so far along already. Wouldnt it maybe just make a day more difference till when the mycelium starts going through the casing layer?
thanks in advance
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creamcorn
mad scientist


Registered: 03/13/06
Posts: 2,962
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yeah. the contamination risk you bring up... covering uncolonized substrate with casing means even less air can get at it, creating a stagnant pocket which makes it even more prime for the contaminating. and it may take a while to see said contaminate through the casing surface, so if it should happen your chances of saving it are slim to none.
if the top isn't 100%, theres probably bparts on the insides and bottom where you can't see that aren't 100% either.
theres also the issue of pin setting, you want your casing layer to colonize evenly. if the surface of your substrate isnt even done, its going to case very unevenly and hurt your pinset and eventual yield.
and yeah, it will take a little longer to get up and thru the casing. but its really the same amount of time in the long run, you're not going to save time by putting the casing on sooner... i don't think anybody can tell you if there will be a "significant" difference without invoking some kind of mystical psychic powers, but what's really the point of doing things wrong when all it may take is probably under 24 hours to do them right?
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iamyour_messiah
Stranger

Registered: 03/07/06
Posts: 273
Last seen: 4 years, 1 month
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Re: casing before 100% colonization [Re: creamcorn]
#5901576 - 07/26/06 10:39 AM (17 years, 6 months ago) |
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I completely agree that in the long run it's the same amount of time I'm gonna be waiting, but I wasnt actually contemplating this in the sense of speeding up the process. It was actually more me being bored and I wanted to do some mushroom stuff :P Casing mix has undergone the microwave already hehe.
But when I say 95% I really mean pretty much that. There arnt big blobs of uncolonized area on the surface in my opinion. Lemme actually take a picture right now and I'll post that, maybe you ppl can gimme an opinion as to whether it's safe to case now or not.
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iamyour_messiah
Stranger

Registered: 03/07/06
Posts: 273
Last seen: 4 years, 1 month
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ok so...

and a side view if that's worth anything

So I guess I only peeked in earlier, as opposed to looking at the whole thing this time. I probably could give it another day I suppose...thing it, from my past experience those loose blades of straw on the top never really got colonized so I'm thinking...good idea to maybe just pick 'em off and case, or wait and case?
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RogerRabbit
Bans for Pleasure


Registered: 03/26/03
Posts: 42,214
Loc: Seattle
Last seen: 11 months, 3 days
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That straw is ready to case if you're going to. The top layer of straw rarely colonizes unless you compress it with something. You could actually put on some gloves and mash that down so the top straw is flat against the rest and it will recover within a day or two.
With manure/compost based substrates, it's safe to apply the casing layer at anywhere from 90% to 100% colonization because the manure will finish colonizing as the casing layer is being run with mycelium. RR
-------------------- Download Let's Grow Mushrooms semper in excretia sumus solim profundum variat "I've never had a failed experiment. I've only discovered 10,000 methods which do not work." Thomas Edison
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hyphae
born to grow


Registered: 12/13/02
Posts: 6,228
Loc: the rain forests
Last seen: 12 years, 8 months
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Patience is a Virtue! This will affect yield somewhat, pasturize that casing mix and you should be fine and as RR said thats ready to case BTW
-------------------- 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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