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North Spore Shop: Bulk Substrate, Injection Grain Bag, North Spore Mushroom Grow Kits & Cultivation Supplies

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OfflineSHROOMSISAY01M
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Re: Figuring out water content of substrate. TEK [Re: SHROOMSISAY01]
    #27310388 - 05/15/21 08:51 PM (2 years, 8 months ago)

60% water by weight does not equal 60% moisture content. You are compairing apples to oranges. You must dry out the sub to know how much water is in it.


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Re: Figuring out water content of substrate. TEK [Re: SHROOMSISAY01]
    #27312408 - 05/17/21 10:51 AM (2 years, 8 months ago)

Ahh, that's probably what I was missing. Thanks!


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OfflineSHROOMSISAY01M
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Re: Figuring out water content of substrate. TEK [Re: ninja cat 09] * 1
    #27312625 - 05/17/21 02:09 PM (2 years, 8 months ago)

You will get much better results once you have your water content figured out and no more questioning if you had too much water. Once you do this if you are having problems you can look elsewhere, because you will know it is not your water content. It is easy if you start with 100 grams. If you lose 60 grams of weight after drying you have 60% water content.


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Invisibleninja cat 09
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Re: Figuring out water content of substrate. TEK [Re: SHROOMSISAY01]
    #27312791 - 05/17/21 04:54 PM (2 years, 8 months ago)

You're contradicting yourself though, in your last comment you said that 60% water by weight does not equal 60% moisture content and here you are. How do I lose 60% water from drying if I didn't add that in the first place? Or if I added more?

Not trying to grill you, just don't understand the logic.


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OfflineSHROOMSISAY01M
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Re: Figuring out water content of substrate. TEK [Re: ninja cat 09]
    #27312819 - 05/17/21 05:23 PM (2 years, 8 months ago)

You have moisture content in the fuel pellet and in any other thing you are using in the sub that has to be accounted for. If you just weigh out say fuel pellets and then add 60% water you are not accounting for the water that was in the fuel pellets, to begin with. Doing the test will assure you of what the water content is because you are accounting for all the water that is in the sub.


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Re: Figuring out water content of substrate. TEK [Re: SHROOMSISAY01]
    #27313519 - 05/18/21 09:19 AM (2 years, 8 months ago)

Ahh, great! Thanks!  :loveintheair:


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Offlinefungilove
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Re: Figuring out water content of substrate. TEK [Re: SHROOMSISAY01]
    #27323672 - 05/26/21 09:05 AM (2 years, 7 months ago)

Thank you for a wonderful tek!
I am wondering why first mix sub and add water and then microwave and not just take the dry soy and fuel pellets and microwave them, seeing how much water it contains and then minus it from the 60% water you would add to the sub?


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Offlinefungilove
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Re: Figuring out water content of substrate. TEK [Re: ninja cat 09]
    #27371153 - 07/02/21 12:28 AM (2 years, 6 months ago)

Also, in addition to my previous question, can you use a dehydrator instead of a microwave?


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OfflineSHROOMSISAY01M
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Re: Figuring out water content of substrate. TEK [Re: fungilove]
    #27371941 - 07/02/21 04:39 PM (2 years, 6 months ago)

It is just easier to add the water and then dehydrate the sub and then you know for sure what percentage you have.

Sure you could use a dehydrator but a microwave is quicker. I don't want to take days to test. you could use an oven also. Maybe even the top of the stove if you are careful and don't burn the sub.


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Offlinefungilove
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Re: Figuring out water content of substrate. TEK [Re: SHROOMSISAY01]
    #27373435 - 07/04/21 12:13 AM (2 years, 6 months ago)

Thanks for replying. I just happen to have a powerful dehydrator not no MW.
But I can't see what benefit there is in first hydrating it and then drying instead of just putting in the pellets and see how much they go down in weight. I just tried with the HWFP and it dropped 5% which seems very much. I putting in 20g worth and and it is now 19g.


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OfflineSHROOMSISAY01M
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Re: Figuring out water content of substrate. TEK [Re: fungilove]
    #27373496 - 07/04/21 02:33 AM (2 years, 6 months ago)

I have a 10 tray Excalibur dehydrator but I wouldn't try using it for this. This is just how I do it if you want to do it another way go for it. I know that you get good results using the method I showed you any other way may work just as well and it may not. I am never going to do it any other way, so I will not put much thought into it. You only have to do this once to get your recipe so I really don't see the big deal.


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OfflineSHROOMSISAY01M
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Re: Figuring out water content of substrate. TEK [Re: SHROOMSISAY01]
    #27373500 - 07/04/21 02:39 AM (2 years, 6 months ago)

Do this. Make the sub the way you want to so you think you have 60% water content. Then take 100 grams and dehydrate it in the microwave and see if you actually have 60% water content. If you do report back here so people know the results. Just be honest because people are relying on truthful information here.


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Re: Figuring out water content of substrate. TEK [Re: SHROOMSISAY01]
    #27373896 - 07/04/21 11:55 AM (2 years, 6 months ago)

>> and dehydrate it in the microwave
Did you mean in the dehydrator?


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Re: Figuring out water content of substrate. TEK [Re: SHROOMSISAY01]
    #28004548 - 10/18/22 11:24 AM (1 year, 3 months ago)

If I were using just straight HWFP and not supplementing with any soy hulls or bran, would it just be 2.4 lbs HWFP to 3 lbs water?

Thanks.


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OfflineSHROOMSISAY01M
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Re: Figuring out water content of substrate. TEK [Re: Baby_Hitler]
    #28004584 - 10/18/22 11:56 AM (1 year, 3 months ago)

You don't know if the 3 gallons of water is right, to begin with. You need to do the test. This test is done to eliminate a problem from the equation. Once you do the test you will not have to guess what your water content is. You can just forget about worrying over the water content of your sub. You will know without a doubt that you have 60% water content. Now if you have a problem you can look elsewhere because your water content is correct. You can spend an hour to test or you can wait two weeks and then when it won't colonize you can guess if it's the water content. is it bad spawn or is it...? Do you think an hour is a long time for the test? Well wait 2 weeks and don't have your spawn colonize because it is too wet or too dry. Then see how that hour sounds!! Because you know that you have 60% water content in the sub you will know it has enough moisture to maximize your harvest!!


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Re: Figuring out water content of substrate. TEK [Re: SHROOMSISAY01]
    #28005506 - 10/18/22 08:48 PM (1 year, 3 months ago)

OK. I see what you're saying.

A dehydrator would work just as well as a microwave, wouldn't it? I only ask because I have one sitting out already from another project.

Also, you're doing 3 lbs of water to 2.4 lbs of substrate...

3/(3 + 1.2 +1.2) =55.555%. Is that because your unhydrated substrate has a moisture content of 4.444% so that 3lbs gets it to 60%?


Edited by Baby_Hitler (10/18/22 09:04 PM)


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OfflineSHROOMSISAY01M
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Re: Figuring out water content of substrate. TEK [Re: Baby_Hitler]
    #28005709 - 10/19/22 12:45 AM (1 year, 3 months ago)

My friend, you are using way too much thought process on this. All I can say for sure is that it works. I use it as a tool just like a pair of pliers. I don't worry about why the bolt is placed at that specific pivot point to make the pliers work. I just use the pliers and get the job done. I will put it this way there is a reason people much smarter than you or I use this method and don't use weights. Am I smart enough to tell them they are wrong and give them a reason why they are wrong? I think not. So I will just go with the way the scientists do it and not try and figure out why they do it this way.

I am sure a dehydrator will work but it will take much longer. Anyway, you can dry the sub without burning it will work. It's just a question of how long it's going to take.


Edited by SHROOMSISAY01 (10/19/22 01:06 AM)


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Re: Figuring out water content of substrate. TEK [Re: SHROOMSISAY01]
    #28006063 - 10/19/22 08:47 AM (1 year, 3 months ago)

:kenthumbup:


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Re: Figuring out water content of substrate. TEK [Re: SHROOMSISAY01]
    #28090121 - 12/09/22 10:22 AM (1 year, 1 month ago)

Cool


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Re: Figuring out water content of substrate. TEK [Re: SHROOMSISAY01]
    #28186601 - 02/14/23 02:14 AM (11 months, 7 days ago)

Quote:

SHROOMSISAY01 said:
Different sub hold different amounts of water. This shows you how to figure out the water content no matter what sub you are using. I showed how to do it with fuel pellets and soy hulls. Because that is what I am using at the moment. But it will work with anything you decide you want to use.





May I ask why you don't take the pre-hydrated fuel pellets and soy hulls and give them the microwave treatment to determine how much moisture they have, and then add the right amount of water accordingly to hit the desired 60%?

Also, is 60% recommended regardless of the species or type of substrate being hydrated? (Ie, would you recommend 60% water for a CVG recipe also?) Is 60% also ideal for grain spawn? I've been hydrating my rye and milo to about 40%, but have noticed that mycelium will colonize it as low as 28% and as high as 52%, but much more slowly at the extreme dry/wet.


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Sterilizing all my tools and space,to ensure not a single spore is out of place.
I carefully select the fungal strain and onto the agar, I make it rain.
With a steady hand and gentle touch, I inoculate the plate without a hitch.
Success is sweet when it's pure and true, and my agar plates are a testament too. A job well done, with no contamination, my fungi inoculation, a thing of  admiration.
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North Spore Shop: Bulk Substrate, Injection Grain Bag, North Spore Mushroom Grow Kits & Cultivation Supplies


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