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Offlinedeadmandave
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Re: The Gourmet Cultivation Discussion Thread [Re: Nigel Stephens] * 1
    #28283836 - 04/18/23 01:55 PM (9 months, 6 days ago)

Quote:

spasm666 said:
Quote:

deadmandave said:






Is that outer wrapping just tin foil or something fancier? Is there a name for it so I can try to find it?






It's some shiny bubble wrap. Wish I could say more than that. I found it at a big box hardware store.
Quote:

Nigel Stephens said:
I hope this is the right place for this! Feel free to redirect if not, that would be appreciated

I’m building a laminar flow unit, simple plywood plenum to house filter and support top-mounted blower.

Question, should I treat or seal the wood (inside) after completing? Current thoughts were to sand all over, vac and wipe surfaces, seal with a quick couple coats of PVA + water but not wetting too much to cause distortion.

Bad idea, wasted effort, better ideas? I’m wary of clogging my expensive HEPA with wood dust so want to kind of lock it in while providing a bit more durability

Thankyou, mush love




I would seal the seams with some caulking and wipe the interior with alcohol and a paper towel and be done. I don't think it will be generating any more sawdust once youre done with construction.


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OnlineLogicaL ChaosM
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Re: The Gourmet Cultivation Discussion Thread [Re: Stromrider]
    #28283874 - 04/18/23 02:26 PM (9 months, 6 days ago)

Quote:

Stromrider said:
Quote:

LogicaL Chaos said:
Hey all, Im new to Gourmet mushrooms. I was thinking of growing some Oysters in the near future. Not sure where to start :eek:





Making 5lb supplemented sawdust blocks is pretty easy. Using hardwood fuel pellets as your sawdust makes it very easy. You can either suppliment with 50 percent soybean hull, 10 percent wheat bran, or extra spawn. You want to make them around 60 percent moisture




Great! Do these supplemented sawdust blocks need to PC'd or can i steam sterilize them?


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Offlinespasm666
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Re: The Gourmet Cultivation Discussion Thread [Re: deadmandave]
    #28284711 - 04/19/23 12:26 AM (9 months, 5 days ago)

Quote:

deadmandave said:
Get a 4'x8' sheet of 2" foam board. Measure the diameter of your barrel, cut the sheet to length and height. Score it vertically every 4" like a kerf cut in woodworking. Now it can roll like a tube. Roll it around, tape it in place. Use the excess to make a top. Use spray foam in the seams/kerfs.




You just tape it, and not glue it?

I'm not sure how spray foam works but could I just spray a layer of foam on the barrels and then stick the pre-cut foam board in place? Does it work like a glue?


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InvisibleNigel Stephens
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Re: The Gourmet Cultivation Discussion Thread [Re: deadmandave]
    #28284751 - 04/19/23 02:12 AM (9 months, 5 days ago)

Quote:

deadmandave said:
I would seal the seams with some caulking and wipe the interior with alcohol and a paper towel and be done. I don't think it will be generating any more sawdust once youre done with construction.




Thank-you! That’s what I’ll do then


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Offlineseagu

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Re: The Gourmet Cultivation Discussion Thread [Re: spasm666]
    #28284792 - 04/19/23 04:41 AM (9 months, 5 days ago)

Quote:

spasm666 said:
Quote:

deadmandave said:
Get a 4'x8' sheet of 2" foam board. Measure the diameter of your barrel, cut the sheet to length and height. Score it vertically every 4" like a kerf cut in woodworking. Now it can roll like a tube. Roll it around, tape it in place. Use the excess to make a top. Use spray foam in the seams/kerfs.




You just tape it, and not glue it?

I'm not sure how spray foam works but could I just spray a layer of foam on the barrels and then stick the pre-cut foam board in place? Does it work like a glue?




The slot down the lower half of the barrel is a water level sight slot for me.



But the foam is Great Stuff. You will need 2 of the bigger cans.


--------------------
Plan to win or you are planning for failure. Don't let anyone tell you you can't do it. Just figure out the solution. Even if that means banging your head on a wall until the solution oozes out of you.


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OfflineLeftfield420
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Re: The Gourmet Cultivation Discussion Thread [Re: seagu]
    #28284797 - 04/19/23 04:56 AM (9 months, 5 days ago)

Quote:

seagu said:
Quote:

spasm666 said:
Quote:

deadmandave said:
Get a 4'x8' sheet of 2" foam board. Measure the diameter of your barrel, cut the sheet to length and height. Score it vertically every 4" like a kerf cut in woodworking. Now it can roll like a tube. Roll it around, tape it in place. Use the excess to make a top. Use spray foam in the seams/kerfs.




You just tape it, and not glue it?

I'm not sure how spray foam works but could I just spray a layer of foam on the barrels and then stick the pre-cut foam board in place? Does it work like a glue?




The slot down the lower half of the barrel is a water level sight slot for me.



But the foam is Great Stuff. You will need 2 of the bigger cans.




I may end up getting some of that foam board still, just in case I start running during cooler months... hoping the water heater wrap will work out, if not where do you guys get the foam board at?


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Offlineseagu

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Re: The Gourmet Cultivation Discussion Thread [Re: Leftfield420] * 1
    #28284867 - 04/19/23 07:08 AM (9 months, 5 days ago)

Homey Depot in their insulation section. Lowes has it too but they are usually more expensive on everything....


--------------------
Plan to win or you are planning for failure. Don't let anyone tell you you can't do it. Just figure out the solution. Even if that means banging your head on a wall until the solution oozes out of you.


Edited by seagu (04/19/23 07:10 AM)


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Offlinedeadmandave
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Re: The Gourmet Cultivation Discussion Thread [Re: spasm666]
    #28284886 - 04/19/23 07:29 AM (9 months, 5 days ago)

Quote:

spasm666 said:
Quote:

deadmandave said:
Get a 4'x8' sheet of 2" foam board. Measure the diameter of your barrel, cut the sheet to length and height. Score it vertically every 4" like a kerf cut in woodworking. Now it can roll like a tube. Roll it around, tape it in place. Use the excess to make a top. Use spray foam in the seams/kerfs.




You just tape it, and not glue it?

I'm not sure how spray foam works but could I just spray a layer of foam on the barrels and then stick the pre-cut foam board in place? Does it work like a glue?





Just tape it. The spray foam becomes rigid and holds everything together pretty well. The insulation can slide off the top like taking a can cozy off a beer, handy for maintenance if ever needed.


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OfflineLeftfield420
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Re: The Gourmet Cultivation Discussion Thread [Re: seagu]
    #28284916 - 04/19/23 08:09 AM (9 months, 5 days ago)

Quote:

seagu said:
Homey Depot in their insulation section. Lowes has it too but they are usually more expensive on everything....





kinda wish I still had a truck, can't fit shit in my car🀣


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InvisibleAyePlusS
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Re: The Gourmet Cultivation Discussion Thread [Re: Leftfield420]
    #28284925 - 04/19/23 08:17 AM (9 months, 5 days ago)

Bring a snapoff style utility knife, and maybe a measuring tape

Make a couple cuts in the parking lot to get it in ya car they usually come pre-marked at 18 and 24” increments too


--------------------
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Good surface conditions = Good pinsets
Read more, post less.
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Offlineseagu

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Re: The Gourmet Cultivation Discussion Thread [Re: Leftfield420]
    #28284952 - 04/19/23 08:34 AM (9 months, 5 days ago)

Quote:

Leftfield420 said:
Quote:

seagu said:
Homey Depot in their insulation section. Lowes has it too but they are usually more expensive on everything....





kinda wish I still had a truck, can't fit shit in my car🀣





2" insulation is pretty strong. Tie it to the roof and drive slower with hazards...if you have an extra plywood around use that to strengthen things or do Like AyePlus suggests.


--------------------
Plan to win or you are planning for failure. Don't let anyone tell you you can't do it. Just figure out the solution. Even if that means banging your head on a wall until the solution oozes out of you.


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Offlinespasm666
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Re: The Gourmet Cultivation Discussion Thread [Re: seagu]
    #28284980 - 04/19/23 08:57 AM (9 months, 5 days ago)

Ok so based on seagu's pic the foam board can be glued with the spray foam. Will be easier to set up. But I kinda like the can cozy idea too.

Is it overkill to paint the inside (metal barrel) with thinned silicone if I use the barrel once a week heating water, then empty and leave upside down to dry. Will it rust quickly like that?


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InvisibleAyePlusS
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Re: The Gourmet Cultivation Discussion Thread [Re: spasm666]
    #28285037 - 04/19/23 09:41 AM (9 months, 5 days ago)

If you leave it to dry it wont rust. Alternatively put in a drain with an elbow facing down on the inside sitting just shy of the bottom so it siphons 99%.


Also, the rust is annoying but doesnt affect anything..

I get the barrels used for free-35$ so i used to run them till they were rusty and pull the hardware and make a new one.


--------------------
Learn about breeding

C10’s agar guide
Good surface conditions = Good pinsets
Read more, post less.
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InvisibleSoutherner
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Re: The Gourmet Cultivation Discussion Thread [Re: AyePlus]
    #28285137 - 04/19/23 10:53 AM (9 months, 5 days ago)

Do any of you run your exhaust open-pipe on the outside? I had a piece that fit in the pipe which deflected air down and had a screen to prevent critters but it was taking a lot power from my exhaust. Running open now but a bit worried about insects crawling up during the OFF cycle. Had a ludicrous amount of pleasing fungus beetles going at my blocks when I was fruiting outdoors.


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Offlineseagu

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Re: The Gourmet Cultivation Discussion Thread [Re: Southerner]
    #28285160 - 04/19/23 11:09 AM (9 months, 5 days ago)

Quote:

Southerner said:
Do any of you run your exhaust open-pipe on the outside? I had a piece that fit in the pipe which deflected air down and had a screen to prevent critters but it was taking a lot power from my exhaust. Running open now but a bit worried about insects crawling up during the OFF cycle. Had a ludicrous amount of pleasing fungus beetles going at my blocks when I was fruiting outdoors.





I have been for a very long time and do not see many bugs. I also run my exhaust 24/7. All the bugs I see is actually from opening the door and the fact that my seams are not sealed on one of my walls which is entirely drop plastic, including the "door". I use the exhaust to pull the plastic tight and the bugs I see is so minimal I have not went through and sealed the seams.. plus I have 2 passive 4" intake pipes. So not really sealed at all really..


--------------------
Plan to win or you are planning for failure. Don't let anyone tell you you can't do it. Just figure out the solution. Even if that means banging your head on a wall until the solution oozes out of you.


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InvisibleSoutherner
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Re: The Gourmet Cultivation Discussion Thread [Re: seagu]
    #28285175 - 04/19/23 11:18 AM (9 months, 5 days ago)

Thanks seagu. I guess only way to truly find out is to let it run like this and see what happens in my neck of the woods but figured it was worth an ask in case someone had issues running it like this before.


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OfflineLeftfield420
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Re: The Gourmet Cultivation Discussion Thread [Re: deadmandave]
    #28285195 - 04/19/23 11:35 AM (9 months, 5 days ago)

Quote:

deadmandave said:
Quote:

spasm666 said:
Quote:

deadmandave said:
Get a 4'x8' sheet of 2" foam board. Measure the diameter of your barrel, cut the sheet to length and height. Score it vertically every 4" like a kerf cut in woodworking. Now it can roll like a tube. Roll it around, tape it in place. Use the excess to make a top. Use spray foam in the seams/kerfs.




You just tape it, and not glue it?

I'm not sure how spray foam works but could I just spray a layer of foam on the barrels and then stick the pre-cut foam board in place? Does it work like a glue?





Just tape it. The spray foam becomes rigid and holds everything together pretty well. The insulation can slide off the top like taking a can cozy off a beer, handy for maintenance if ever needed.




I like the idea of insulation/foam board sliding on and off the barrel like a coozy... I was worried about if I have to change cords, barrel, or heating elements out


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Offlinespasm666
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Re: The Gourmet Cultivation Discussion Thread [Re: Southerner]
    #28285293 - 04/19/23 12:41 PM (9 months, 5 days ago)

Quote:

Southerner said:
Thanks seagu. I guess only way to truly find out is to let it run like this and see what happens in my neck of the woods but figured it was worth an ask in case someone had issues running it like this before.




I never got bugs from exhaust but you can always put a backdraft damper so pipe is closed when exhaust is off.


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InvisibleSteyner
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Re: The Gourmet Cultivation Discussion Thread [Re: spasm666] * 1
    #28285675 - 04/19/23 04:12 PM (9 months, 5 days ago)

Hi there all you gourmet groupies. I've recently had some success growing Lion's Mane and Black Pearl Kings on Pine pellets and thought I'd share.

Pine pellets are dirt cheap and available everywhere here in South Africa, they are the main trees grown for our wood industry so all our wood derived products like pet bedding, kitty litter etc are all pine.

I was however surprised to find it has such a super high Nitrogen content ~1.5% compared to other sawdust ~0.048%, which is awesome for C/N ratio and means it doesn't need to be supplemented and so I can Lipa pasteurize large quantities and fill 25L holy buckets for LM and 85L unmodified tubs for the Kings.





Let's look at C/N ratios of a couple of popular substrates:

Master's mix is 50% hardwood sawdust @ N 0.048% and 50% soyhulls @ N 1.89% gives C/N of:
C50Γ·N((0,048Γ—0,50)+(1,89Γ—0,50)) = 51.6
Which means you still need to add a good amount of grain spawn to get below 50.

20% Wheat bran supplemented hardwood looks like this, with wheat bran @ N of 2.7%:
50Γ·((0,048Γ—0,80)+(2,7Γ—0,20)) = 86.4
Which means you still need a shit-ton of spawn to add more N, so for example 20% spawn rate with wheat grain with N of 2.11%:
50Γ·((0,048Γ—0,60)+(2,7Γ—0,20)+(2,11Γ—0,20)) = 50.5

But pine pellets with an N of 1.5% gives C/N ratio of 50Γ·1.5 = 33.33 on its own! So one could get away with a teaspoon of spawn to colonise 10kg of wet substrate if it was fast enough. The Black Pearl Kings I have's mycelium is quite agressive so  just a quart of spawn colonizes a 10kg tub within a week. I use popcorn at 10% spawn rate with N 1.84% gives a C/N ratio of:
C50Γ·N((1,5Γ—0,90)+(1,84Γ—0,10)) = 32.6

And I think around the 30's are exactly where Kings prefer to flourish.

Any other growers on here using pine pellets? I know the resin issue with pine but in pelletised form it's not an issue at all. Just seems like pine pellets are vastly superior to all other sawdusts/supplemented substrates and I am wondering why more people aren't using it?











Edited by Steyner (04/23/23 04:18 AM)


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Offlinedeadmandave
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Re: The Gourmet Cultivation Discussion Thread [Re: Steyner]
    #28286003 - 04/19/23 08:11 PM (9 months, 4 days ago)

As to why pine isn't more popular, it might be an availability thing or it might be a stigma pine has picked up before the pelletization became more common.

I think the c:n ratios you've listed are very interesting. From experience, a masters mix block can colonize with very little spawn. One quart can easily inoculate 3 10lb blocks.

Anyways the more important feature in my opinion is yield.  Can you speak to what kind of yield you get using pine?


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