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OfflineWinterOwned
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What is the efficacy of adding extra quarts of spawn?
    #26701218 - 05/28/20 08:20 AM (3 years, 8 months ago)

Have y’all taken notes on the difference adding extra quarts of spawn to monotubs makes?

Is there a level at which more spawn doesn’t make any difference?

Does the substrate make a difference in how much spawn is ideal?

I’m asking because...

I used to work with this guy who used manure, and he only used a quart per monotub. When things went well (which they often didn’t), the sub would get absolutely dominated by mycelium and we could get up to four ounces per flush per tub. The problem was we had a lot of contams and he wasn’t able to fix the problem.

So I went out on my own and y’all got me using CVG rather than manure. The thing is, using a quart per tub would give me a fully and evenly colonized sub, but it wasn’t a thick knotted mass of mycelium like I had hoped for.

I’m doing g2g today and plan to add 12 quarts of spawn to 4 monotubs, so three quarts each.

Anyway, those are my questions and a little context. If y’all have insights on any part of this post I’m extremely interested to hear them. Thanks again so much guys.


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OfflineA.k.aM
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Re: What is the efficacy of adding extra quarts of spawn? [Re: WinterOwned]
    #26701313 - 05/28/20 09:23 AM (3 years, 8 months ago)

Idk about manure but with coir most of the energy come from the grain spawn.

So assuming the tub stays healthy the more spawn the more yield.

Two dry ounces from a myco quart is the most I’ve been able to do.


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OfflineSockadin
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Re: What is the efficacy of adding extra quarts of spawn? [Re: WinterOwned]
    #26701333 - 05/28/20 09:33 AM (3 years, 8 months ago)

With a 66qrt mono you should be aim 4-6 Qrts. Which is really like 4.5-5 full Qrts.

With a shoebox 1-2


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OfflineWinterOwned
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Re: What is the efficacy of adding extra quarts of spawn? [Re: Sockadin]
    #26705225 - 05/29/20 05:16 PM (3 years, 8 months ago)

Is it the case that coir contains less nutrients than manure, so more spawn is needed?


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Invisiblemushhead
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Re: What is the efficacy of adding extra quarts of spawn? [Re: WinterOwned]
    #26705248 - 05/29/20 05:23 PM (3 years, 8 months ago)

Quote:

WinterOwned said:
Is it the case that coir contains less nutrients than manure, so more spawn is needed?



Since coir has no real nutes it is all based off the nutes you provide.
Grain spawn is usually all a basic cubensis needs and some use gypsum with coir for added nutes but Grain is pretty nutritious in itself.
I know some folks who love manure, but truly you don't need to use it :shrug:
Grain is easier to sterilize imo.


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OfflineWinterOwned
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Re: What is the efficacy of adding extra quarts of spawn? [Re: mushhead]
    #26718577 - 06/04/20 08:00 AM (3 years, 8 months ago)

Got ya.

That’s definitely something I’m gonna have to consider. I like doing 4 tubs at a time, but that’s a LOT of grain spawn if I’m gonna use CVG. My PC can only do 7 jars at a time.

I’m gonna experiment with both subs until I figure out what’s best for me.


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OfflineMLPismyOPSEC
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Re: What is the efficacy of adding extra quarts of spawn? [Re: WinterOwned] * 1
    #26718775 - 06/04/20 10:12 AM (3 years, 8 months ago)

There's a balancing act between spawn to sub ratio and sub depth. A ratio anywhere between 1:1 to 1:10 is viable, with 1:1 to 1:4 being pretty ideal (w/r/t speed and almost regardless of spawn health), and sub depth should be somewhere between 2" - 4" (50cm to 100cm). The cleaner your spawn, the lower spawn ratio you can safely/confidently go. And there's the argument of myco-quarts not being full quarts so number of physical jars versus jars of sub... Personally, i don't think it's all that important to be hyper exact with the ratio. Eg. Say you're shooting for 3 quarts spawn. That means you need 3 full quarts of spawn. With myco-quarts being ~66-75% full, 3 jars is somewhere between 2-2.25 ACTUAL quarts. So you'd need 4 jars to make it to 3 full quarts. IMO/IME that doesn't change the ratio enough to merit worrying about it.

So with your 3 quarts, you could go with anywhere from 3 quarts of sub to 30, depending on how clean your spawn in and as long as you stay in the 2"-4" range. I really like 1:4 ratio, seems to be a good balance between speed and efficiency, so 3 quarts spawn, 12 quarts sub.

About the type of sub, there isn't enough evidence that one sub works better than the other, and the convenience and ease of coir makes the choice pretty simple. Coir doesn't need to be pasteurized whereas manure does. If you have a source of manure for cheap/free, then maybe pasteurization is worth it for you.


Edited by MLPismyOPSEC (06/04/20 10:21 AM)


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Offlinekookle
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Re: What is the efficacy of adding extra quarts of spawn? [Re: MLPismyOPSEC] * 1
    #27020581 - 11/04/20 12:59 AM (3 years, 3 months ago)

Quote:

MLPismyOPSEC said:
There's a balancing act between spawn to sub ratio and sub depth. A ratio anywhere between 1:1 to 1:10 is viable, with 1:1 to 1:4 being pretty ideal (w/r/t speed and almost regardless of spawn health), and sub depth should be somewhere between 2" - 4" (50cm to 100cm). The cleaner your spawn, the lower spawn ratio you can safely/confidently go. And there's the argument of myco-quarts not being full quarts so number of physical jars versus jars of sub... Personally, i don't think it's all that important to be hyper exact with the ratio. Eg. Say you're shooting for 3 quarts spawn. That means you need 3 full quarts of spawn. With myco-quarts being ~66-75% full, 3 jars is somewhere between 2-2.25 ACTUAL quarts. So you'd need 4 jars to make it to 3 full quarts. IMO/IME that doesn't change the ratio enough to merit worrying about it.

So with your 3 quarts, you could go with anywhere from 3 quarts of sub to 30, depending on how clean your spawn in and as long as you stay in the 2"-4" range. I really like 1:4 ratio, seems to be a good balance between speed and efficiency, so 3 quarts spawn, 12 quarts sub.

About the type of sub, there isn't enough evidence that one sub works better than the other, and the convenience and ease of coir makes the choice pretty simple. Coir doesn't need to be pasteurized whereas manure does. If you have a source of manure for cheap/free, then maybe pasteurization is worth it for you.




Thanks for this so detailed explanation! I've finally realized what myco-quart and spawn ratio actually are. Seems I've went with excessive spawn in my monos. P.S. As I see you love accuracy and numbers, anyway I don't wish to be rude. I suppose you wanted to say 50-100 MilliMeters not CentiMeters.  PPS Sorry for my English unfortunately it's not so widespread in my country :smile:


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OfflineMLPismyOPSEC
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Re: What is the efficacy of adding extra quarts of spawn? [Re: kookle]
    #27022636 - 11/05/20 05:44 AM (3 years, 3 months ago)

Honestly, using a little extra spawn isn't the worst thing because it can be more forgiving. It will colonize the sub a little faster, beating any potential contams.

:lol: You are right, i did mean milimeters not centimeters! Classic case of my brain working faster than my fingers. Your English is fine, and i give you and other folk that don't primarily speak English props for learning all this crazy business with our weird lingo like myco-quarts or shortening words like substrate to sub.


Edited by MLPismyOPSEC (11/05/20 05:45 AM)


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Offlinesmalltalk_canceled
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Re: What is the efficacy of adding extra quarts of spawn? [Re: MLPismyOPSEC]
    #27022657 - 11/05/20 06:02 AM (3 years, 3 months ago)

:threadmonitor:


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OfflineAbabyphoenix
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Re: What is the efficacy of adding extra quarts of spawn? [Re: smalltalk_canceled]
    #27022813 - 11/05/20 08:30 AM (3 years, 3 months ago)

^


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