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Tanelorn

why do we use bulk substrate?

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Tanelorn

I've been searching and not coming up with anything useful. Why exactly do we need to spawn to bulk? Could one just grow a bunch of wbs after jars in a 6qt box and skip the incubation phase altogether? Seems like less time for contams to invade and a lot more nutrients too. Sorry if this sounds stupid.

 

I have a pint jar of colonized wbs but wanted to try a neat little grow that i saw once. Basically it was grown in a party cup dub tub (dub cup?) I think that if i tried to mix it with bulk it would contaminate for sure, so i was thinking just using the pint of wbs and be done with it. A novelty grow really, but it looked so neat and tiny gardens are a kind of hobby of mine so i'd love to see what comes of it, if my idea works.

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DirtBagDan

Bulk substrate is for exactly what the name implies, bulk.  Yes you can grow without it, just don’t expect large yields. Some people fruit in jars and that works for them, smaller yields but simpler tek.

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mushmouth

A jar of colonized grain would probably take forever to pin.

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Mush Zombie

Grain spawn is a horrible fruiting medium. Try it out if you want to find out more.

Rez effect is a much better Tek.

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Tanelorn
On 9/14/2018 at 2:41 AM, mushmouth said:

A jar of colonized grain would probably take forever to pin.

I see. Ive always wondered, could i pc grain and coir/verm in a large tall jar, only with maybe a half or quarter pint full, noc it and let it colonize in a sterile environment? I'd like to get something to grow inside the jar. It'd be one flush, hence the small amount of substrate, but at this point im a little desperate to just get something to fruit.

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NineInchNails
22 hours ago, Tanelorn said:

I see. Ive always wondered, could i pc grain and coir/verm in a large tall jar, only with maybe a half or quarter pint full, noc it and let it colonize in a sterile environment? I'd like to get something to grow inside the jar. It'd be one flush, hence the small amount of substrate, but at this point im a little desperate to just get something to fruit.

PF cakes would have been the way to go if you intend to fruit from a fully colonized jar. This is not a quick hobby. Having a plan from the beginning is important because how you begin, PF cakes or grain, determines how you fruit.

You asked if you can PC grain and bulk substrate in a large jar, inoculate, let it colonize then fruit straight out of the jar. Yes you can, but it may not fully colonize. Think about how difficult it would be to thoroughly shake/mix a large glass jar or how difficult  and how long it would be for the MYC to make its way completely through the entire jar. It sounds to me that the closest method to what you are describing would be the following:

1. Place properly prepared grain in the bottom of a grow bag . Place properly prepared bulk substrate on top of the grain. Use whatever ratio of grain to bulk you prefer.

2. Sterilize the bag/bags.

3. Inoculate the grain within the bag/bags through a self healing inoculation port.

4. Allow the grain to become 25% colonized then by hand mix the grain that's on the bottom of the bags.

5. Allow the grain to become 100% colonized then mix the entire bag and leave until 100% colonized.

6. Once the bags are 100% colonized you can fruit right inside of the bags.

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Tanelorn

Thats brilliant, i think i'll try that bag idea. Thank you :)

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      Thats brilliant, i think i'll try that bag idea. Thank you
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      PF cakes would have been the way to go if you intend to fruit from a fully colonized jar. This is not a quick hobby. Having a plan from the beginning is important because how you begin, PF cakes or grain, determines how you fruit. You asked if you can PC grain and bulk substrate in a large jar, inoculate, let it colonize then fruit straight out of the jar. Yes you can, but it may not fully colonize. Think about how difficult it would be to thoroughly shake/mix a large glass jar or how difficult  and how long it would be for the MYC to make its way completely through the entire jar. It sounds to me that the closest method to what you are describing would be the following: 1. Place properly prepared grain in the bottom of a grow bag . Place properly prepared bulk substrate on top of the grain. Use whatever ratio of grain to bulk you prefer. 2. Sterilize the bag/bags. 3. Inoculate the grain within the bag/bags through a self healing inoculation port. 4. Allow the grain to become 25% colonized then by hand mix the grain that's on the bottom of the bags. 5. Allow the grain to become 100% colonized then mix the entire bag and leave until 100% colonized. 6. Once the bags are 100% colonized you can fruit right inside of the bags.
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