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sandman205
Stranger

Registered: 05/02/13
Posts: 100
Last seen: 1 year, 4 months
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Misting + Fanning Help
#18708069 - 08/15/13 07:47 AM (10 years, 5 months ago) |
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Hi all, i'm struggling with understanding misting and fanning and its showing i.e. cakes are producing many aborts and stalling etc. (could be my mist & fan procedure, or genetics, or something else, not sure). So here is my current understanding:
- you are misting to replace lost moisture (of the terrarium? or on the substrate?) > do you only mist when you see there is no moisture on the substrate? or no moisture on the walls of terrarium?
- you only mist (4 or so sprays into the space above the terrarium so the mist lightly hits the substrate below) the substrate directly until you see it glisten with tiny water droplets
- you fan to evaporate the mist that falls on the substrate and/or fruits/pins and to replace the co2 laden air with fresh oxygen > should i not mist when a substrate is pinning at all? or is it ok if i fan enough that the substrate no longer glistens? (whats the point of misting if your gonna fan it off anyway?) > if i am misting a substrate that has pins / knots developing is it ok to leave the water droplets on the substrate if the misting is done before i go to bed and/or go to uni for the day? or just fan to evaporate off to avoid aborts?
Maybe i'm thinking about this too much, but my last 5 or so pf-cakes have had so many aborts its annoying. Am currently fruiting 4 bulk hpoo trays so i'd definitely like to figure out why the cakes aborted before the bulk trays do!
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FrankHorrigan
The Inquisition



Registered: 01/04/11
Posts: 10,573
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Re: Misting + Fanning Help [Re: sandman205]
#18708101 - 08/15/13 07:59 AM (10 years, 5 months ago) |
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Mist until they glisten.
Fan for 10-20 seconds. You are just exchanging the air, not evaporating the moisture significantly.
You want them to glisten and they will slowly dry up over the course of a few hours, then you repeat when the cakes no longer glisten.
Mist every 4-6 hours is a good place to start.
Are you using a SGFC? 1/4" holes drilled every 2" on all six sides? 5 inches of perlite? No fan running in the room or around the tub?
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Skinty
TOP SECRET


Registered: 07/04/13
Posts: 1,150
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Quote:
FrankHorrigan said: Mist until they glisten.
Fan for 10-20 seconds. You are just exchanging the air, not evaporating the moisture significantly.
You want them to glisten and they will slowly dry up over the course of a few hours, then you repeat when the cakes no longer glisten.
Mist every 4-6 hours is a good place to start.
Are you using a SGFC? 1/4" holes drilled every 2" on all six sides? 5 inches of perlite? No fan running in the room or around the tub?
Wait a sec - should you not run a fan in a room with a SGFC?? I've got one running - got a big SGFC and a mini mono in the room...thought it would help the mono and the SGFC with FAE?
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FrankHorrigan
The Inquisition



Registered: 01/04/11
Posts: 10,573
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Re: Misting + Fanning Help [Re: Skinty]
#18708353 - 08/15/13 09:31 AM (10 years, 5 months ago) |
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Monos need the fan running if you dial them in to my specs.
If you don't run a fan then you should stuff all the holes in the mono loosely and fan it out every so often.
SGFCs should not be in the room with a fan running. They operate via convection currents that suck cooler air under the tub up through the perlite and into the chamber, where old air is displaced.
A fan throws this off completely. Your humidity will suffer quite a bit.
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Skinty
TOP SECRET


Registered: 07/04/13
Posts: 1,150
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Quote:
FrankHorrigan said: Monos need the fan running if you dial them in to my specs.
If you don't run a fan then you should stuff all the holes in the mono loosely and fan it out every so often.
SGFCs should not be in the room with a fan running. They operate via convection currents that suck cooler air under the tub up through the perlite and into the chamber, where old air is displaced.
A fan throws this off completely. Your humidity will suffer quite a bit.
Crapola another thing I've been getting wrong from the start
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XxAFFLICTED
Psychonaut


Registered: 07/14/13
Posts: 47
Last seen: 6 years, 10 months
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Re: Misting + Fanning Help [Re: Skinty]
#18708594 - 08/15/13 10:59 AM (10 years, 5 months ago) |
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So say you don't have anywhere for an sgfc that won't have a fan running? Would one just mist more?
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Skinty
TOP SECRET


Registered: 07/04/13
Posts: 1,150
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Quote:
XxAFFLICTED said: So say you don't have anywhere for an sgfc that won't have a fan running? Would one just mist more?
I wouldn't mind some advice around this too - I've only got one room to "work" in and I see the mono as more important (prob as it's a newer project ) than the sgfc therefore the fan stays on
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Citric


Registered: 03/19/04
Posts: 4,490
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Re: Misting + Fanning Help [Re: Skinty]
#18708725 - 08/15/13 11:41 AM (10 years, 5 months ago) |
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You do not want a fan on a sgfc. The sgfc runs on passive air currents. SGFC requires manual misting and fanning. Do not try to automate it. If you want a automated terrarium for cakes, look up a poormans pod.
-------------------- Self Healing lid tek ** Update 10.17.17 ** Mini casing pictures: Pins to harvest Cup O' Shrooms Magash: I noticed my contams were in the shape of fingers Hyphae: Yes "Loss of moisture from the substrate" is not a casing trigger. My final Grow!
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XxAFFLICTED
Psychonaut


Registered: 07/14/13
Posts: 47
Last seen: 6 years, 10 months
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Re: Misting + Fanning Help [Re: Citric]
#18708813 - 08/15/13 12:03 PM (10 years, 5 months ago) |
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what i mean is i have my sgfc in a position where the fan isnt blowing on it, but its in the room. i have my chamber away from the fan, is that too much of an issue? not trying to automate at all. thank you for any advice.
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PussyFart
Retired Cultivation Extrodinaire



Registered: 04/08/12
Posts: 22,502
Loc: Orbiting Earth
Last seen: 17 days, 13 hours
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Yes, get rid of the fan completely.
--------------------
THIS HOBBY IS NOT FOR THE IMPATIENT! PLEASE BE PATIENT, DON'T BE A PATIENT! A Tale of 10 Isolates, GT Cluster Clone Monotubs, RR's Let's Grow Mushrooms DVD, SGFC(Shotgun Fruiting Chamber), Monotub Tek, Damion5050's Coir Tek, TL's Tek List, Frank's Tek List, EvilMushroom666's Pasteurization Tek, How It Should & Shouldn't Look - NEW CULTIVATORS GUIDE *** *** AFGHAN KUSH GROW LOG *** ***
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XxAFFLICTED
Psychonaut


Registered: 07/14/13
Posts: 47
Last seen: 6 years, 10 months
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Re: Misting + Fanning Help [Re: PussyFart]
#18709201 - 08/15/13 01:45 PM (10 years, 5 months ago) |
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damn, ok thanks for the advice, my rooms has no insulation so the florida heat gets bad, should i turn my ac off too?
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