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Amazon Shop for: ½ Pint Jars, Air Pump, Brown Rice Flour, Pressure Cooker, Vermiculite, Wild Bird Seed

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Registered: 03/24/01
Posts: 8
Last seen: 15 years, 1 month
my first casing
    #376914 - 08/23/01 08:13 AM (15 years, 2 months ago)

ive done the pf tex four times with good success. ty pf :)) ive just started a casing(50/50+) and have some pins forming nicely. my casing layer isnt all filled with mycilem(sp?) yet but is pinning anyways. i used 50/50 on the top and bottom in my tray to case with. was that a mistake? the tex i was using said u could(T.H.E.) i also was giving my casing continous light all the way through the process. was that a mistake too? i think it starting pinning way too soon (less than a week) i harvested a shroom just 3 days after crumbling my cakes. i have air pumps running 24/7 with a 97% reading on my meter. is that too high for pinning? would using birdseed insted of brf/verm be better? would that improve colinzation time and give more/better flushes? i would like to thanx everyone here, pf and hawk for their help.

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Registered: 07/18/00
Posts: 345
Re: my first casing [Re: big]
    #376949 - 08/23/01 09:19 AM (15 years, 2 months ago)

Hi big,

You've got lots o' questions there. While I really don't eat mushrooms anymore, I still enjoy growing them. I usually take spores then give them away to friends. Anyway, what substrate you use can impact size and potency.

My last grow, I used part of the PF tek for the inoculation, but used work castings, BRF, and verm. My friend, who enjoys eating all of my experiments said the batch was obviously more potent than the last, in which I only used BRF/Verm. I case plain 50/50. When using waste-based media -- castings, composted dung, etc. in jars, I'd let the wet substrate sit in the jars (have them ready to go in the cooker) for 24 hours to "hatch" any nastiness that could actually withstand pressure sterilization. Then, up the time in the pressure cooker. One hour minimum, shoot for 1.5 or more, to be safe.

I've tried casing with cold shockng, and with just placing the freshly cased tray under fluoros. Both methods work fine. In the latter, one or two pins formed first, then the rest of the tray caught up. This is partly because of genetic diversity in a multispore incolculation. I'f I'd grown from a clone, there would have been a uniform pinset.

If one pin forms and grows to maturity -- and you don't see any more pins, pick that early bird immediately. Try to take spores from it if you can at all. Early, in my opnion, is a nice trait. By taking it early, you'll encourage the rest of the mycelia to enter fructification.

Also, some genetics will form pins in less than a week if a fresh casing is placed under constant light. My last batch of Cambodian Cubensis pinned in 5 days after casing. I think B+ takes longer to pin and finish.

A casing doesn't need anywhere near 97% Rh. Shoot for the low 80s -- 83% or so. A bit higher for pinning, but then drop the Rh after you see some pins. And unless you have a massive cropping surface, constant air movement isn't totally necessary. Especially if you don't have holes for intake and exhaust in your chamber.

I'm not sure how much the substrate influences how many flushes you get, rather the environment you foster. Some like birdseed mixes -- I find them more trouble than anything. If you really want huge mushrooms, inoculate a jar and transfer the cake to a bag of composted dung.

Help this helps.


I choked Linda Lovelace!

"If you believe in things you do not understand, you will suffer." ? Stevie Wonder

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Registered: 03/24/01
Posts: 8
Last seen: 15 years, 1 month
Re: my first casing [Re: Insomnia]
    #377095 - 08/23/01 01:50 PM (15 years, 2 months ago)

ty for ur input insomnia. :)) much appreciated. there r so many texs out there and so many different mediums its realy hard to pick one. ive learned alot here at the shroomery. the best way tp learn is to do it urself tho. ive already learned alot from my latest experience and will make "big" hehehheh improvements next time. :o-??

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Amazon Shop for: ½ Pint Jars, Air Pump, Brown Rice Flour, Pressure Cooker, Vermiculite, Wild Bird Seed

Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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