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OfflineSnork
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Need suggestion on type of grow to attempt...
    #7838573 - 01/06/08 09:42 AM (16 years, 26 days ago)

So my friend tried doing the PF cake grow, and only managed to grow a few light doses from them. Every cake got ruined by green mold before even a full 1st harvest. So, he's looking for a different path to take, keeping in mind green mold is the killer, what grow type would you suggest? He's leaning towards a cake crumble and case, because he still has lots of brown flour, and vermaculite, and a giant bag of perlite. He's on a budget and so would like to continue with the same basic materials.

He doesn't want to use anything that's possibly smelly, like hpoo, and he has very little space for the grow.

Additionally, regarding the green mold problem he thinks it was a combination of poor humidity and air flow procedures. He was using perlite, in combination with a humidifier set in the fruiting chamber (as perlite alone wasn't keeping the humidity past 75% or so). He would sometimes forget the humidifer was on, and has a random hectic schedule and so often wasn't able to fan as much as he should. What type of automation can he use with the suggested grow type?


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OfflineNibin
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Re: Need suggestion on type of grow to attempt... [Re: Snork]
    #7838586 - 01/06/08 09:45 AM (16 years, 26 days ago)

Composted poo isn't smelly.

Also, crumbling and casing cakes is not advantageous.
http://www.shroomery.org/9735/Should-I-crumble-and-case-my-cakes

I say he tries the PF tek again but tries to be cleaner this time.


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Re: Need suggestion on type of grow to attempt... [Re: Nibin]
    #7838627 - 01/06/08 09:57 AM (16 years, 26 days ago)

If you actually get contaminated PF cakes, you prpbably won't find another method that doesn't lead to this exact problem!

Everything is more risky and will eventually end in stinkin' pile of bacteria. PF is the way to go for people who have hard times fighting contams because once the mycelium is ready to fruit, it's pretty unlikely it get's contaminated, while every kind of casing is an invite to molds and bacteria!


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OfflineSnork
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Re: Need suggestion on type of grow to attempt... [Re: Nibin]
    #7838665 - 01/06/08 10:10 AM (16 years, 26 days ago)

Good info, thanks.

Do I understand using coir correctly? You start with a jar innoc. like with PF, but then crumble into a coir substrate which has additional nutrients? If he's having trouble with the PK tek, would a bulk style grow be wise? Finally, going with your suggestion of having him just try the dunk and roll again, does this automation sound decent?

Put the ultrasonic on a timer.
Get an airpump, on a timer.
Use that along with the standard perlite and drilled holes in fruiting chamber.


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OfflineNibin
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Re: Need suggestion on type of grow to attempt... [Re: Snork]
    #7838674 - 01/06/08 10:13 AM (16 years, 26 days ago)

No need for the airpump or the ultrasonic.

Just plain old perlite and holes shotgun terrarium.

Using a humidifier increases the risk of standing water which in turn increases risk of contamination.


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OfflineFahkface
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Re: Need suggestion on type of grow to attempt... [Re: Nibin]
    #7838788 - 01/06/08 10:42 AM (16 years, 26 days ago)

Bulk style would be one of the most unwise things for him to do, since he'd need quiet a lot of time and material which will probably contaminate again, just with a bigger loss.

Stick to the PF tek until it gets to work everything else is too risky at the moment!


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OfflineSnork
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Re: Need suggestion on type of grow to attempt... [Re: Nibin]
    #7838801 - 01/06/08 10:46 AM (16 years, 26 days ago)

With the holes you still need to fan though, right? My friend is sometimes away from home for more than 24 hours. RogerR suggested that green mold is an idication of poor FAE. Wouldn't an air pump help with that problem? Additionally, I'm not convinced the perlite is providing enough humidity as his gauge is only reporting around 75-80% with it... shouldn't he be trying to keep it near 90+ %?

Agreed on the risk of contams though, I'm pretty sure the humidifier forgotten and left running was a major contribution to the mold problem he had.


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OfflineNibin
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Re: Need suggestion on type of grow to attempt... [Re: Snork]
    #7838860 - 01/06/08 11:04 AM (16 years, 26 days ago)

Yes, you still have to fan.

I you have a couple of inches of wet perlite and no standing water the odds are it is your hygrometer that is wrong not the actual humidity.

Calibrate it, but if it is digital don't expext much from it, they aren't designed for such high RHs


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OfflineSnork
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Re: Need suggestion on type of grow to attempt... [Re: Nibin]
    #7838906 - 01/06/08 11:22 AM (16 years, 26 days ago)

I'll have him calibrate it, it's analogue. He'll probably keep the humidifier outside of the fruiting chamber just to help the general room humidity.

Sorry for beating this point to death, but he's still just a little fuzzy on the air pump. Even if it's not necessary, it will help his peace of mind to have some automated FAE. Is the setup getting the airpump connected to a rock bubbler and just sticking that into the fruiting chamber? It doesn't go in any water to actually bubble, right, just simply using the air pump as a type of fan?

Lastly, he'll be using the same tub for the fruiting chamber. Using some hydrogen peroxide to clean it out will get rid of any mold spores, right?

Again, thanks for the info, its very appreciated.


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