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Offlinecamcamey
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Registered: 10/23/13
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Last seen: 10 years, 28 days
Coffee Grounds Molding!
    #19017333 - 10/23/13 01:27 AM (10 years, 3 months ago)

okay, so my coffee ground have been sitting on the side for about a week and mold is setting in. im making kits for oysters, im wondering how i can clean the grounds so i can put spawn into it without contamination from the mold. steam? or oven? im in the white zone on this one....please help!

MANY THANKS!


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Invisibleliamtheloser
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Re: Coffee Grounds Molding! [Re: camcamey]
    #19017354 - 10/23/13 01:37 AM (10 years, 3 months ago)

Well, I would get fresh coffee grounds, instead of using week old ones.  If there is a starbucks near you, they give away fresh coffee grounds for free.  So do most cafes, all you have to do is ask.


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Offlinecamcamey
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Re: Coffee Grounds Molding! [Re: liamtheloser]
    #19017364 - 10/23/13 01:45 AM (10 years, 3 months ago)

hey! well there is one 5 minute walk....but i have alot of coffee grounds
i don't want to toss them! any way to kill the mold? its only like spots and on top. nothing bad and crazy. does maybe steaming or putting the bag in the oven at 315F and re hydrate? or any other simple strategies


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Invisibleliamtheloser
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Re: Coffee Grounds Molding! [Re: camcamey]
    #19017387 - 10/23/13 01:56 AM (10 years, 3 months ago)

well, to start, remove all of the mold by hand, use a scoop and remove it carefully, then steam it or bake it to kill off spores.

Then if you are going to use with oyster mushrooms, just use a higher spawn rate.  Should be no problem.


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Offlinecamcamey
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Re: Coffee Grounds Molding! [Re: liamtheloser]
    #19017398 - 10/23/13 02:00 AM (10 years, 3 months ago)

Sweet i will tomorrow! very excited! i love seeing the growth of mycelium
makes me excited.

if any one else knows easier ways let me know! Thank you!


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Offlinedeadmandave
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Re: Coffee Grounds Molding! [Re: camcamey]
    #19017866 - 10/23/13 08:02 AM (10 years, 3 months ago)

Pasteurize the coffee grounds to kill mold, spores, bacteria, contaminats etc. Get them to the proper moisture content and then raise their temperature to 140-170 F for 60 to 90 minutes.

It's best to use steam/water to heat the bags or jars of substrate. Try pack the moist grains into quart jars, put them in a big pot filled with water and heat the water on the stove.

if you bake the grains you can dry them out and then store them longer but come time to use them for a substrate then first you must hydrate then pasteurize.


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Offlinemycoloco
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Re: Coffee Grounds Molding! [Re: camcamey]
    #19018786 - 10/23/13 11:00 AM (10 years, 3 months ago)

Quote:

camcamey said:
hey! ....but i have alot of coffee grounds





So does starbucks. Don't mess with the green! If they don't have bags in the "grounds for your garden" bucket by the door, bring a tote and ask at the counter for grounds.

Even with fresh coffee grounds from Starbucks, you will want to pasteurize before inoculation.


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The universe is an illusion of the living.


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Offlinecubenpete
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Re: Coffee Grounds Molding! [Re: mycoloco]
    #19020436 - 10/23/13 05:00 PM (10 years, 3 months ago)

Quote:

mycoloco said:
Quote:

camcamey said:
hey! ....but i have alot of coffee grounds





So does starbucks. Don't mess with the green! If they don't have bags in the "grounds for your garden" bucket by the door, bring a tote and ask at the counter for grounds.

Even with fresh coffee grounds from Starbucks, you will want to pasteurize before inoculation.




:whathesaid:

Why chance your work? Pasteurize with heat or Ph


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InvisibleFernandoCastro
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Re: Coffee Grounds Molding! [Re: mycoloco]
    #19026105 - 10/24/13 02:37 PM (10 years, 3 months ago)

Quote:

mycoloco said: Don't mess with the green!



Throw them away.

Collect 1-2 days fresh
Add lime 1 tablespoon per 5 kg
Adjust sub moisture to 60-70% (press, drain; fluff it with cardboard or straw, e.g)
Let it "cook" 24/48h

Bag it
Poke some holes or use filter patch bags.

The time you waste collecting some grounds will make worth the spawn loss otherwise.


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www.cogusbox.com



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InvisibleStygianKnight
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Re: Coffee Grounds Molding! [Re: FernandoCastro]
    #19026160 - 10/24/13 02:48 PM (10 years, 3 months ago)

You can PC them.
It's the wet that allows the mold to take hold. 
I always bake my grounds till bone dry, then they store till you need them.

I've baked, then PCed then used previously moldy grounds with no issue.


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Offlineleschampignons
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Re: Coffee Grounds Molding! [Re: StygianKnight]
    #19026650 - 10/24/13 04:22 PM (10 years, 3 months ago)

Quote:

StygianKnight said:
You can PC them.
It's the wet that allows the mold to take hold. 
I always bake my grounds till bone dry, then they store till you need them.

I've baked, then PCed then used previously moldy grounds with no issue.




Lol that must make your house smell delicious.

This seems like a good idea. Do you use these grounds as a straight sub or use them to supplement other subs?


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InvisibleStygianKnight
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Re: Coffee Grounds Molding! [Re: leschampignons]
    #19026722 - 10/24/13 04:40 PM (10 years, 3 months ago)

It certainly does!
I do what others have mentioned and get a bucket or two to bake/dry and then save for later.
Dried spent coffee grounds seem to clump easily, so I bring them up to field capacity on their own, then mix the wet slurry into whatever I'm doing.  In the case of cubes I use it as an additive in the spawn mix, others use it as sub additive.  Either works so long as your area is clean.


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Offlinecamcamey
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Registered: 10/23/13
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Last seen: 10 years, 28 days
Re: Coffee Grounds Molding! [Re: StygianKnight]
    #19029429 - 10/25/13 02:41 AM (10 years, 3 months ago)

i froze/steamed


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