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Valyr
Con nulla non si fa nulla.


Registered: 05/08/13
Posts: 381
Last seen: 6 years, 9 months
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Re: Fermentation smell coming from bulk substrate? [Re: krypto2000] 1
#19182382 - 11/24/13 12:11 PM (10 years, 2 months ago) |
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Never done it. Dont drink coffee myself. But I would probably do it just the same as grounds. I would assume to never use grounds that have sat. This just gives it a chance to grow mold or something. When I did it I just brewed up a bunch of pots of coffee and threw the coffee out till I had a quart of grinds. Then immediately pasteurize. ( I did a bit more research and indeed it is suggested amongst many trusted cultivators that you should not use anything old. Use fresh grinds or coffee and its 50/50 on whether or not to dry the grinds first. I wouldnt. Doesnt make sense to me to dry something out just to wet it again lol.)
As far as using coffee goes I know frank (trusted cultivator) uses a pint of fresh coffee in the water he simmers his wbs in. Then ofcourse after all of that and the wbs is dried it gets sterilized in a pressure cooker so maybe this would be the phase to try it at instead of bulk substrate .
I know after this learning experience and lots of more reading Im backing out of using grinds at all for the moment. I have enough other stuff to perfect before I add more challenge . Just gonna get a bit more experience under my belt before trying again.
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Valyr
Con nulla non si fa nulla.


Registered: 05/08/13
Posts: 381
Last seen: 6 years, 9 months
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Re: Fermentation smell coming from bulk substrate? [Re: Valyr]
#19195613 - 11/27/13 09:40 AM (10 years, 2 months ago) |
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Ok so its been seven days and the mycellium seems to be continuing to grow well. The fermentation smell seems to have subsided or atleast if its still there at all I cant really tell.
Upon a visual inspection of the tub however I did spot a couple things that look like they may be metabolites to me. Ill post some pics at the bottom but who knows maybe I got lucky and the myc actually beat back whatever the heck it was that I had in there .

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krypto2000
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Re: Fermentation smell coming from bulk substrate? [Re: Valyr]
#19195655 - 11/27/13 09:54 AM (10 years, 2 months ago) |
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The metabolites are probably because it's fighting something off, hopefully just bacteria or something. Good luck man, keep us updated.
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Valyr
Con nulla non si fa nulla.


Registered: 05/08/13
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Re: Fermentation smell coming from bulk substrate? [Re: krypto2000]
#19203344 - 11/29/13 01:27 AM (10 years, 2 months ago) |
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Uh ohhhh. Got something here.


Second one is just to give a size ratio really. Its in the lower left hand corner. What do you think? Cobweb? Humicola?
If cobweb ive heard you can treat with hydrogen peroxide. How?
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TheApprentice
back at it



Registered: 09/25/11
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Re: Fermentation smell coming from bulk substrate? [Re: krypto2000]
#19204008 - 11/29/13 08:44 AM (10 years, 2 months ago) |
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Quote:
krypto2000 said: I don't know, have you ever left coffee sitting in a pot? Ime it molds just as quickly as coffee, about 3 or 4 days and I'll have some white or green shit floating on top of some room tempature coffee.
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krypto2000
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Re: Fermentation smell coming from bulk substrate? [Re: Valyr]
#19204211 - 11/29/13 09:52 AM (10 years, 2 months ago) |
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What makes you think it's not myc? I really can't tell from the pic. Looks too thick to be cobweb to me. If it were you can just mist it with h202, I believe full strength, but do a search to be sure. I wouldn't try to do that though unless someone confirms it's cobweb, but I would say not.
edit: and by full strength I mean whatever it comes as in the bottle, it's probably 35% h202 or something like that.
Edited by krypto2000 (11/29/13 09:53 AM)
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Valyr
Con nulla non si fa nulla.


Registered: 05/08/13
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Re: Fermentation smell coming from bulk substrate? [Re: krypto2000]
#19204221 - 11/29/13 09:54 AM (10 years, 2 months ago) |
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Yeah thats what Ive read aswell. Only thing that makes me think cobweb and not myc is its grey instead of white.
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krypto2000
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Re: Fermentation smell coming from bulk substrate? [Re: Valyr]
#19204317 - 11/29/13 10:18 AM (10 years, 2 months ago) |
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It does look a bit gray now that I'm looking at it, but part of me thinks it's just because it's not particularly thick. It even appears to have rhizomorphic growth near the edges, from about 11o'clock all the way to 5 or 6 o'clock. From looking at the pic it appears to be the same type of growth that is on the right side as well as the bottom right of that same pic, but it could just be the pic and/or lighting. Do those spots look the same to you in person? How fast did that growth come on? If it's rather sudden then it's very likely a contaminant (as in from nearly nothing to that in 2 or 3 days), but if it seems to be holding pace with everything else I'd think it's just myc.
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Valyr
Con nulla non si fa nulla.


Registered: 05/08/13
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Re: Fermentation smell coming from bulk substrate? [Re: krypto2000]
#19204401 - 11/29/13 10:39 AM (10 years, 2 months ago) |
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It was a few days at most. Last time I opened the tub that area was not colonized at all and then three days later I opened it again to take a look and saw that. However as far as growth speed goes.. I had way more pure white growth in that time span that grey spot. Like the top of the substrate was showing hardly any white (maybe 8%) to what the pic above looks like in 3 days.
The edges do look rhizomorphic to me aswell and upon closer inspection in the tub i see many other spots where there is this gray fuzz looking rhizomorphic throughout the tub but none anywhere near in size yet. Mostly just little bits tending to be on the edges of white mycellium or forming bridges between two different clumps of myc.
My myc is growing kinda weird this time aswell cause (and i dont know why or how) for some reason I didnt make a lvl feild with the top of the substrate this time. Its all valleys and mounds and I even got a bunch on the sides of my tub. I really dont know how the heck i did that and am quite embarrassed by the sloppy-ness. I must have been stoned or something.
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krypto2000
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Re: Fermentation smell coming from bulk substrate? [Re: Valyr]
#19204540 - 11/29/13 11:36 AM (10 years, 2 months ago) |
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Well again I'll say it *looks* ok to me, but from nothing to that in a few days or less is a bit concerning. Also I notice that giant bare spot in the center of your tub, ime that can often be caused by too much moisture, it will wick up the sides and then drip down the center hampering myc growth and encouraging contaminants. Whether that's what's happening or it's just mixed inconsistently I couldn't tell you just from the pics alone.
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Valyr
Con nulla non si fa nulla.


Registered: 05/08/13
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Re: Fermentation smell coming from bulk substrate? [Re: krypto2000]
#19204665 - 11/29/13 12:13 PM (10 years, 2 months ago) |
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Yeah I cant seem to get a handle on friggin moisture lol. The substrate was actually dry when i started too. I used 4 quarts of water for 1 brick coir, 1 quart verm and 1qt coffee grounds. It was NOT at feild capacity when i pasteurized and spawned it. I could squeeze it hard and get maybe a drop. But still I get tons of moisture build up and dripping like you said. I did last time too so thats why I used less water this time but still going on. Its also pooling in places which is bad. Eh... I dunno what to do lol. I think maybe im not mixing it enough. I mean it all felt the same moisture wise when I was mixing it up but ive read it takes people like fifteen minutes to properly mix there substrate. It didnt take me anywhere near that. Maybe 5 minutes. Tops. Ill try mixing for atleast ten next time.
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Valyr
Con nulla non si fa nulla.


Registered: 05/08/13
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Re: Fermentation smell coming from bulk substrate? [Re: Valyr]
#19205560 - 11/29/13 04:38 PM (10 years, 2 months ago) |
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Still nobody that can label this?
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Valyr
Con nulla non si fa nulla.


Registered: 05/08/13
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Re: Fermentation smell coming from bulk substrate? [Re: Valyr]
#19208300 - 11/30/13 11:49 AM (10 years, 1 month ago) |
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Well, its turned back to white. It consolidated itself so there are now less "strands" and its white. Friggin weird lol. Still havin a little trouble getting that center to colonize though. Was thinking of adding a bit more spawn but that'll throw off my ratio for the next batch of bulk.
I did remove the heating pad though that I had been using. I learned that they cause that problem alot (thanks Krypt) so now I just have a ceramic heater in the room.
Edited by Valyr (11/30/13 11:58 AM)
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FrankHorrigan
The Inquisition



Registered: 01/04/11
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Re: Fermentation smell coming from bulk substrate? [Re: Valyr]
#19211004 - 12/01/13 01:33 AM (10 years, 1 month ago) |
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You need to properly pasteurize your coffee, and even then it can cause contams if you don't add lime to up the PH.
The issue is not moisture content but contamination.
Heating pads are awful and so are ceramic heaters.
Use an oil-filled radiant heater for heating your grow room.
Temps from 65-80F are fine for bulk.
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Valyr
Con nulla non si fa nulla.


Registered: 05/08/13
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Re: Fermentation smell coming from bulk substrate? [Re: FrankHorrigan]
#19211359 - 12/01/13 06:52 AM (10 years, 1 month ago) |
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Cool thanks Frank .
Can you say why ceramic heaters are awefull? Not that Im not gonna go get a oil fill rig anyways cause its probably more cost efficient but just curiouse. Is it because of the air currents?
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SpitballJedi
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Re: Fermentation smell coming from bulk substrate? [Re: Valyr]
#19211596 - 12/01/13 09:03 AM (10 years, 1 month ago) |
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I don't like ceramic heaters because they have a fan and heat the room very unevenly. The fan usually comes on when the heat comes on and goes off when the heat goes off.
I noticed the heaters with fans dry out the room faster than radiant heaters too
Same thing with coil heaters.
I like the oil filled radiators because the oil stays warm even when the heat goes off. This makes it a thermal mass and heats the room evenly and makes it a constant heat source.
I put my heater on the other side of the room from my tubs and jars. This means the oil may need to be a little warmer than the room on the other side. On really cold days, I have to turn the heat up slightly.
I don't like the ones with temperature settings where you just click the temperature. I like the ones with the dial that can be fine tuned. That's because the thermostat measures the oil temperature, not the room temperature.
I have a thermometer near my tubs and jars and go by that, not what the dial on the heater says.
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krypto2000
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Re: Fermentation smell coming from bulk substrate? [Re: SpitballJedi]
#19211894 - 12/01/13 10:32 AM (10 years, 1 month ago) |
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I suspect Franks reasoning is that they dry the room out quicker, but I don't see a problem with that, to me the faster the substrate evaporates the more FAE, the better your flushes, etc. Worst case you'll have to stuff your holes tigher and/or mist more often.
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Peloefuego


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Re: Fermentation smell coming from bulk substrate? [Re: PussyFart]
#25400402 - 08/20/18 10:15 AM (5 years, 5 months ago) |
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I did a perfect pasteurization of my substrate for 90min, but it also started smelling fermented-like after the second day. My substrate is crimped oats/verm/coffee and yeast. This is the second time this has happened to me. I dont know what am I doing wrong. Please help. Also, the first time I tried this substrate everything went perfect with two big flushes.
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