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Offlinejenerikcairet
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few questions regarding ratios of spawn to substrate etc...
    #5472108 - 04/02/06 08:11 PM (17 years, 9 months ago)

hey all,
i have a 30 gallon rubbermaid which i want to use as a monotub, 12 quart sized jars, tons of WBS...(the WBS has canary grass seed,red millet,thistle seed,sunflower chips,white prosso millet.. is this fine or are any of these seeds bad...)

my pressure cooker holds 7 quart jars, so this was what i was going to do. but my question is, how many quarts of spawn would be needed, and how much poo(from tennstudd, the prepastuerized poo that is ready to go(not the dry stuff) for a four inch layer in the 30 gallon rubbermaid? i have done numerous searches but i havent found any with a 30 gallon monotub nor have i found any formulas or anything like that for figuring out how many quarts will be needed or how much poo per quart or anything like that.


thanks for your help.


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Yes, ordinary water. Laced with nothing more than a few spoons full of LSD- professor farsnworth


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Offlinepsillyrabit
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Re: few questions regarding ratios of spawn to substrate etc... [Re: jenerikcairet]
    #5472136 - 04/02/06 08:18 PM (17 years, 9 months ago)

im wondering the same thing-- is there some formula for width to length w/ a four inch depth to determine where to put the holes?


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Offlinejenerikcairet
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Re: few questions regarding ratios of spawn to substrate etc... [Re: psillyrabit]
    #5472222 - 04/02/06 08:32 PM (17 years, 9 months ago)

i know theres a formula on the tennstud faq about how to get four inches based on area, and ive gotten help from PM's so i think i can figure that out if i measure the rubbermaid, but its not here right now. also i still dont know how many quarts would be needed of spawn.


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Yes, ordinary water. Laced with nothing more than a few spoons full of LSD- professor farsnworth


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Invisiblemusher_420
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Re: few questions regarding ratios of spawn to substrate etc... [Re: jenerikcairet]
    #5472314 - 04/02/06 08:56 PM (17 years, 9 months ago)

OK. Your working with Volume here. It's pretty easy to figure out how much spawn/substrate you need for your tub. WAY easier if you use the metric system.

Take the base area of your tub in centimeters. Multiply that number by the thickness you want your substrate to be (about 2 1/2 inches,about 7cm I like with poo)

Now for a 1:4 ratio of poo to spawn..
Multiply that number by 1/5 for your spawn volume in mL
Multiply that number by 4/5 for your poo volume in mL

Tennstud should be able to tell you have much Volume is in 5Lbs of poo.


--------------------
My Humidifier Reservoir Expansion Tek

Must read links for beginners

Btw- You are not what you own!


Edited by musher_420 (04/02/06 08:57 PM)


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Offlinewangtangkiki
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Re: few questions regarding ratios of spawn to substrate etc... [Re: jenerikcairet]
    #5472319 - 04/02/06 08:57 PM (17 years, 9 months ago)

It fills 4 inches in a 12x12 area.


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Offlinejenerikcairet
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Re: few questions regarding ratios of spawn to substrate etc... [Re: jenerikcairet]
    #5472324 - 04/02/06 08:58 PM (17 years, 9 months ago)

okay, i have figured out that ive got 640 square inches as opposed to the 144 square inches described in the tennstudd faq. so since he used 5 pounds for 144, and 640 is about 4.5 times, then 25 pounds should be good, correct?

now, how many quarts for 25 pounds of POO?


--------------------
Yes, ordinary water. Laced with nothing more than a few spoons full of LSD- professor farsnworth


Edited by jenerikcairet (04/02/06 09:03 PM)


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Offlinejenerikcairet
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Re: few questions regarding ratios of spawn to substrate etc... [Re: jenerikcairet]
    #5472344 - 04/02/06 09:02 PM (17 years, 9 months ago)

okay, working on figuring out this in the metric system to find out how many quarts according to your post musher...i was typing when you guys were posting thats why it seems like i didnt repsond to you just said something else.


--------------------
Yes, ordinary water. Laced with nothing more than a few spoons full of LSD- professor farsnworth


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Offlinejenerikcairet
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Re: few questions regarding ratios of spawn to substrate etc... [Re: jenerikcairet]
    #5472378 - 04/02/06 09:10 PM (17 years, 9 months ago)

roughly 400 square cm ...times 10 cm(4 inches, would like to try this with a 4 inch depth) = 4000...4000/5 = 800 ML of spawn?

that doesnt make sense, that would be one quart jar for a 30 gallon rubbermaid...

where did i screw up?


--------------------
Yes, ordinary water. Laced with nothing more than a few spoons full of LSD- professor farsnworth


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Offlinejenerikcairet
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Re: few questions regarding ratios of spawn to substrate etc... [Re: jenerikcairet]
    #5472394 - 04/02/06 09:14 PM (17 years, 9 months ago)

wait a minute...stupid mistake, the tub is 80 cm by 50 cm roughly, so this would be 4000*10 instead of 400* 10...

so, 40,000/5= 8,000 ML= 8 liters= 8.5 jars...

would it be horrible if i only did 7 jars as thats what my PC holds? or should i just do two batches...


--------------------
Yes, ordinary water. Laced with nothing more than a few spoons full of LSD- professor farsnworth


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Invisiblemusher_420
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Re: few questions regarding ratios of spawn to substrate etc... [Re: jenerikcairet]
    #5472429 - 04/02/06 09:22 PM (17 years, 9 months ago)

I always like to use one "PC load" of jars as my spawn.

You would be able to use 7 jars just fine. Spawn ratio only effects colonization speed. You could also adjust the height of your substrate. Just half a cm less in height would be 2L less substrate. would be 38 000 mL/5 = 7.6 jars


--------------------
My Humidifier Reservoir Expansion Tek

Must read links for beginners

Btw- You are not what you own!


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Offlinejenerikcairet
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Re: few questions regarding ratios of spawn to substrate etc... [Re: musher_420]
    #5472449 - 04/02/06 09:29 PM (17 years, 9 months ago)

cool man, thanks a lot for your help :smile:


--------------------
Yes, ordinary water. Laced with nothing more than a few spoons full of LSD- professor farsnworth


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Invisiblemusher_420
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Re: few questions regarding ratios of spawn to substrate etc... [Re: jenerikcairet]
    #5472505 - 04/02/06 09:50 PM (17 years, 9 months ago)

I forgot to mention something. Odds are your jars aren't full to the very top right? So that means your getting less then a Liter of spawn in each jar.

If I was you I'd just stick to a 3 inch substrate man. It's all you need with horse poo...hell 1 inch will do just great.

This doesn't have to be measured out exactly. In fact I only make these calculations because I want to make sure my substrate fills the tub to about a half inch below the bottom of my air exchange holes (room for a casing layer). So that they are nice and close to remove C02 from the surface.


--------------------
My Humidifier Reservoir Expansion Tek

Must read links for beginners

Btw- You are not what you own!


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Offlinejenerikcairet
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Re: few questions regarding ratios of spawn to substrate etc... [Re: musher_420]
    #5472569 - 04/02/06 10:18 PM (17 years, 9 months ago)

i was just thinking about that. i think i will go with the three inch substrate...so do you think that 20 pounds would be enough?


--------------------
Yes, ordinary water. Laced with nothing more than a few spoons full of LSD- professor farsnworth


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OfflineHippieChick
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Re: few questions regarding ratios of spawn to substrate etc... [Re: musher_420]
    #5472570 - 04/02/06 10:18 PM (17 years, 9 months ago)

I always use 2 quarts of spawn per 5 pounds of poo :thumbup:
Gives me colonization in 7 days.

Peace,Love,Happiness and Harmony
:heart: Hippie Chick  :mushroom2:


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