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OfflineTesla
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Temperature Issues
    #12850662 - 07/05/10 08:54 AM (2 years, 11 months ago)

Hi there so I pretty much consider myself minimally versed enough to start my first PF Tek attempt.

With that said temperature variation is a big issue where I live due to a lack of central air.

My first step before I start the grow will be stabalizing the envirements temperature. How big of a deal is this and whats a good temperature to aim for for my grow area?

Also what are the risks of it getting to high or low and whats the cut off points for having issues?

Thanks


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OfflineSomeGuy
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Re: Temperature Issues [Re: Tesla]
    #12850689 - 07/05/10 09:10 AM (2 years, 11 months ago)

It's not as big a deal as some people would have you believe. 70-80f is a good place to shoot. Thermal death of mycelium occurs at 106f and freezing. Mycelium slows growth as it moves from the reccomended range towards the limit. In the whole scheme of things lower than reccomended would be better than higher. I haven't even looked at my thermometer in a month or more. Whatever my house temp happens to be is just fine


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InvisibleOzzy
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Re: Temperature Issues [Re: SomeGuy]
    #12850694 - 07/05/10 09:16 AM (2 years, 11 months ago)

I disagree. IME temps greater than 84 degrees sustained lead to almost certain contamination both in jars and mono's.


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OfflineMad_Hatter2004
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Re: Temperature Issues [Re: Tesla]
    #12850698 - 07/05/10 09:18 AM (2 years, 11 months ago)

Optimum temperatures for both colonization and fruiting are anywhere between 70° and 80° Fahrenheit or what is usually referred to as room temperature (some like there homes cooler,and some cooler).But cubensis will grow in temperatures outside the optimal range too.They can be found growing in the wild here in central and south Florida pretty much year round.

Indoors,try not to let temps get below say 65° Fahrenheit or above the low 80's,this is especially crucial for colonization as the jars of colonizing substrate will begin to put off their own heat raising the internal temperature of the jar a few degrees,say 3°-5° F above ambient temps (bags can put off much more heat due to more substrate).

It is though that cooler temperatures produce smaller & meatier/denser fruits,and warmer temperature produce faster,bigger growth but can also produce fruits with hollow stems...this could also just be genetics too though :shrug:

If you're going to be colonizing and fruiting in say a bedroom or any room that is like 10' x 10' or smaller and you live in the states I'd say go to home depot and pick up a $99 window banger.But you'd probably save even more money if you buy a an a/c that;s rated for rooms bigger then the room you'll be using,this way the compressor won't run as much,saving you money.

What's your temp swing and what would you say you average?


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OfflineSpongiform
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Re: Temperature Issues [Re: Mad_Hatter2004]
    #12850727 - 07/05/10 09:39 AM (2 years, 11 months ago)

Quote:

If you're going to be colonizing and fruiting in say a bedroom or any room that is like 10' x 10' or smaller and you live in the states I'd say go to home depot and pick up a $99 window banger.But you'd probably save even more money if you buy a an a/c that;s rated for rooms bigger then the room you'll be using,this way the compressor won't run as much,saving you money.




I concur with this.  Take a small bedroom and close it off then use a cheapo AC window unit to keep cool.  Set it for 75f and forget about it :-D


--------------------
Spongiform's Plastic Tek - An Alternative to Glass
Spongi's PF Block Tek & Automated Shotgun Project.


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OfflineThirtyCigarettes
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Re: Temperature Issues [Re: Spongiform]
    #12850879 - 07/05/10 11:00 AM (2 years, 11 months ago)

I just had a pretty successful PF grow in my room with no central air. I'd guess I had temps in between 60F - 92F. Probably would have been better with a more stable temperature, but I got good results. I got about 25 dry grams off of 3 cakes through 2 flushs


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Edited by ThirtyCigarettes (07/05/10 11:00 AM)


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Invisibleanonjon
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Re: Temperature Issues [Re: Spongiform]
    #12850883 - 07/05/10 11:00 AM (2 years, 11 months ago)

Here is an example of the affect of high heat on the fruits. This poor guy approached 100 degrees. Notice the scaling on the stipes and the funny coloration around the caps. Had they been smaller pins when the heat struck, I bet they would have aborted (as my poor pe uncut did).



--------------------
The above post is fictional, hypothetical, or downright nonsensical.


:moon:  :moon:  :moon:  :moon:    :moon:


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OfflineThirtyCigarettes
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Re: Temperature Issues [Re: anonjon]
    #12850890 - 07/05/10 11:03 AM (2 years, 11 months ago)

similar to what I saw.

I wasn't upset though? :smile:


--------------------
Adamist said:
TIP: If you have any trouble socializing, eat some MDMA.


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OfflineTesla
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Re: Temperature Issues [Re: Mad_Hatter2004]
    #12850893 - 07/05/10 11:04 AM (2 years, 11 months ago)

Quote:

Mad_Hatter2004 said:
Optimum temperatures for both colonization and fruiting are anywhere between 70° and 80° Fahrenheit or what is usually referred to as room temperature (some like there homes cooler,and some cooler).But cubensis will grow in temperatures outside the optimal range too.They can be found growing in the wild here in central and south Florida pretty much year round.

Indoors,try not to let temps get below say 65° Fahrenheit or above the low 80's,this is especially crucial for colonization as the jars of colonizing substrate will begin to put off their own heat raising the internal temperature of the jar a few degrees,say 3°-5° F above ambient temps (bags can put off much more heat due to more substrate).

It is though that cooler temperatures produce smaller & meatier/denser fruits,and warmer temperature produce faster,bigger growth but can also produce fruits with hollow stems...this could also just be genetics too though :shrug:

If you're going to be colonizing and fruiting in say a bedroom or any room that is like 10' x 10' or smaller and you live in the states I'd say go to home depot and pick up a $99 window banger.But you'd probably save even more money if you buy a an a/c that;s rated for rooms bigger then the room you'll be using,this way the compressor won't run as much,saving you money.

What's your temp swing and what would you say you average?



Thanks a ton for the info and the link to the window unit.

As for where I'm at now in summer it can get up to 85 to 95 and humid. Night time it can drop to the 60s. It's a fairly sporadic process so dialing the window unit on a constant basis while keeping a thermometer in the room is probably a good idea I think.

In the winter it gets freezing cold yet is more manageable due to having heat yet no central air.

The biggest obstacle will be tailoring the dial at nighttime to account for what I have noticed are rather low dips in temperature differentiation.


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OfflineSpongiform
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Re: Temperature Issues [Re: Tesla]
    #12851143 - 07/05/10 12:05 PM (2 years, 11 months ago)

Just set the thermostat on the ac unit to low.  Usually it'll have a 1-10 dial, set it to 3 and leave it be.


--------------------
Spongiform's Plastic Tek - An Alternative to Glass
Spongi's PF Block Tek & Automated Shotgun Project.


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OfflineTesla
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Re: Temperature Issues [Re: Spongiform]
    #12851662 - 07/05/10 02:23 PM (2 years, 11 months ago)

Anyone have any experience with Incubators? When doing research online I noticed one PF Tek mentioned you can use a self built incubator.

If I was willing to spend the extra money for one what would a good brand be for a sizeable one?


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InvisibleDoc_T
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Re: Temperature Issues [Re: Tesla]
    #12851685 - 07/05/10 02:31 PM (2 years, 11 months ago)

In summer, you don't need it. At all.

Winters, I use an "incubation chamber". Styrofoam cooler, and I heat a jar of water in the microwave to put in there.
Keeps it comfy with no danger of overheating.


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