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OfflineGr0wer
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Re: Gr0 Greenhouse Build [Re: Gr0wer]
    #21764124 - 06/05/15 12:19 AM (8 years, 7 months ago)

Grow thread started, considering doing air intake through the house for more FAE, hot summer days are hurting my strategy with opening the garage doors at night.

http://www.shroomery.org/forums/showflat.php/Number/21759449


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OfflineGr0wer
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Re: Gr0 Greenhouse Build [Re: Gr0wer]
    #21857106 - 06/25/15 08:47 PM (8 years, 7 months ago)

Worked on my bulk pasteurizer controller today, updated OP. Hopefully get my hands on a drum soon.


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OfflineGr0wer
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Re: Gr0 Greenhouse Build [Re: Gr0wer]
    #21940161 - 07/14/15 12:30 AM (8 years, 6 months ago)

Updated OP with 55 gal drum pasteurizer. Currently wrapped in pieced together bubble wrap, soon to be wrapped in wood planks for better aesthetics, it sits on my patio. I was looking for a plastic drum but this steel one is serving me well for now. I was going to automate the drum using a digital controller, i even made a nice control box which ill use for other projects. After using the pasteurizer a few times i realize its easier to use my taylor probe thermometer with temperature alarm to reach the operating temp then unplug the element and load my substrate, set the timer and walk away. There is really no need for a digital controller, I can allow the temp to drop 3-4 degrees and still be within the sweet spot for pasteurization.  The 1500w element works great for me. One to three hours of waiting isn't too bad vs wiring a 240V leg using a larger and much more expensive element, plug, and wire.


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Offlinemoonlightmushrooms
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Re: Gr0 Greenhouse Build [Re: Gr0wer]
    #21943531 - 07/14/15 07:16 PM (8 years, 6 months ago)

Quote:

Gr0wer said:
Updated OP with 55 gal drum pasteurizer. Currently wrapped in pieced together bubble wrap, soon to be wrapped in wood planks for better aesthetics, it sits on my patio. I was looking for a plastic drum but this steel one is serving me well for now. I was going to automate the drum using a digital controller, i even made a nice control box which ill use for other projects. After using the pasteurizer a few times i realize its easier to use my taylor probe thermometer with temperature alarm to reach the operating temp then unplug the element and load my substrate, set the timer and walk away. There is really no need for a digital controller, I can allow the temp to drop 3-4 degrees and still be within the sweet spot for pasteurization.  The 1500w element works great for me. One to three hours of waiting isn't too bad vs wiring a 240V leg using a larger and much more expensive element, plug, and wire.




I remember reading on a brewing forum that the heat loss after flame out was basically nothing over the 1.5 hours it takes to mash your grain, something on the order of 1 degree F for every 30mins at room temperature. Insulating large mash tuns/pasteurization tanks is only necessary in high winds or very low temperatures.


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OfflineGr0wer
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Re: Gr0 Greenhouse Build [Re: moonlightmushrooms]
    #21944268 - 07/14/15 10:19 PM (8 years, 6 months ago)

4 year brewer here. I speak from experience that with naked metal vessels the heat transfer is rather fast. It also depends on your volume ie. a large tank with a large thermal mass and less surface area will take longer to cool down. I put two wraps of the crappy bubble wrap with mylar on my mash tun, about 2R value, and saw a huge difference in HERMS water in and water out temp. When i do BIAB, which the strike and mash process is essentially the same concept as pasteurization temperature wise, i always wrap a thick blanket around my kettle and still see 4-5 degrees drop over an hour with 8 gals water and 12 lbs grain. I think the idea with both pasteurization and mashing is you want to keep the temperature as steady as possible, but some drop is acceptable given you stay in the green zone. 

The point is the wife isnt fond of a 55 gal drum sitting on the patio, dressing it up with some wood would make her slightly more happy about my neverending mushroom projects.

http://www.homebrewtalk.com/showthread.php?t=401554


Edited by Gr0wer (07/14/15 11:11 PM)


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OfflineGr0wer
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Re: Gr0 Greenhouse Build [Re: Gr0wer]
    #21986407 - 07/23/15 05:51 PM (8 years, 6 months ago)

Updated OP with new humidifier, cool mist took a shit on me. I also now have an exhaust tube running outside the garage door gap.



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Offlinekiksen
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Re: Gr0 Greenhouse Build [Re: Gr0wer]
    #21994686 - 07/25/15 10:57 AM (8 years, 6 months ago)

Nice i am soon going to make my own :smile:


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OfflineFonzi03
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Re: Gr0 Greenhouse Build [Re: kiksen]
    #22005287 - 07/27/15 04:06 PM (8 years, 6 months ago)

Wow this is almost exactly like what I have. I mounted the ultrasonic foggers (x2) in a float each inside a bucket filled about halfway with water, lasts a few days. I have both hooked up to the same humidstat and I just got a cycle timer for my exhaust fan. Seems to work alright but is taking a while to dial in.

How did you calibrate yours?


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OfflineGr0wer
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Re: Gr0 Greenhouse Build [Re: Fonzi03]
    #22009095 - 07/28/15 11:37 AM (8 years, 6 months ago)

I have a digital humidity controller on the ultrasonics. I'm still dialing in the new humidifier. Im having issues with aborts and dry looking fruits. I think the issue is when the foggers aren't running its sucking in super dry air, typically 0-20% RH. The old cool mist would at least help keep the humidity up. My fix will be a mini swamp cooler on the intake pipe. Im going to install a 4" 90 degree elbow going down where the 2" coupling now is. Extending down from the elbow will be swamp cooler mesh tube and a cap on the bottom end. Ill have a second aquarium pump running 24/7 soaking the swamp cooler mesh. Ill have to replace the swamp cooler screen every month or so but one sheet of mesh should make 4-8 refills. I'll hopefully make this tonight and update the post.


Edited by Gr0wer (07/28/15 11:46 AM)


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Invisiblesolarity
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Re: Gr0 Greenhouse Build [Re: Gr0wer]
    #22009737 - 07/28/15 01:38 PM (8 years, 6 months ago)

You might try dropping an airstone in the tank to give you constant low level humidity with the misters topping up as required.


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OfflineGr0wer
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Re: Gr0 Greenhouse Build [Re: solarity]
    #22011498 - 07/28/15 07:06 PM (8 years, 6 months ago)

I don't think an airstone would deliver the volume i would need for my chamber size and airflow volume. With my experience with swamp coolers it should bump the RH up 30-45% Im also looking for a temperature drop, its been in the low 80s during the day in the garage. This little mod should drop the temps 5-10 degrees hopefully. I went to home depot and ended up going with a 2" elbow and cap for the swamp cooler section, 4" was just too large for a 5 gal pail, maybe in a tall tote a 4" would fit. Ill rig it up tonight. Ill also have to bump up the fans power supply from 6 to 12v to boost the fan for the added restriction.


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OfflineGr0wer
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SHIT SHIT FUCKING SHIT [Re: Gr0wer]
    #22012636 - 07/28/15 11:02 PM (8 years, 6 months ago)

fucking shit! I hooked up the swamp cooler matting with the elbow and everything. Went to see how well it worked and i realized my ultrasonics were working but no mist. After 20 min of cleaning and rinsing i came to a conclusion the swamp cooler matting has some sort of chemical surfactant on it. I'm soaking the matting in TSP 90/ oxyclean i use for homebrewing, hopefully that will break down and remove whatever chemicals are on the foam. I'm so pissed right now, i just left the grow chamber unplugged till tomorrow.


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OfflineGr0wer
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Re: SHIT SHIT FUCKING SHIT [Re: Gr0wer]
    #22012767 - 07/28/15 11:57 PM (8 years, 6 months ago)

I think i have a plan, make a 2nd bucket with the swamp cooler water and purge pump. Have a water line going from the ultrasonic pail feeding the swamp cooler pail fresh water.  Have the air flow in the swamp cooler then into the ultrasonic pail via a section of pool hose.


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OfflineGr0wer
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Re: SHIT SHIT FUCKING SHIT [Re: Gr0wer]
    #22017928 - 07/29/15 11:55 PM (8 years, 5 months ago)

Ok so two stressful days later i finally got the swamp cooler part working with the ultramists. I had to run two pails with the water flowing in the ultramist pail then a tube feeding to the swamp cooler pail. My purge pump is located in the swamp cooler pail as well as a second pump to circulate water over the swamp cooler mesh. Ill have performance results tomorrow. So far its running well, i may need to restrict the intake fan since its a larger fan than the exhaust.

Pics located in OP

With the recent upgrade to the unit and changing the fan power supply from 6 to 12V i should deffently have the airflow for a larger chamber. Once i start making some profit at the farmers market, hopefully next month, i will attach a second shelving unit and expand the chamber.


Edited by Gr0wer (07/30/15 12:51 AM)


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Invisiblesolarity
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Re: SHIT SHIT FUCKING SHIT [Re: Gr0wer]
    #22020231 - 07/30/15 02:59 PM (8 years, 5 months ago)

Could not understand why you needed so much humidity, but I just took a look at your pics with the buckets, I did not realise how small your chamber is (I work in metric !).

You are going to seriously struggle to get enough air flowing through that to flush out the CO2 and heat generated by even half of those buckets fruiting in such a small space. You will also have the whole thing clogged with spores very quickly - I assume you are ducting exit air outside and not into your garage!

If you can, expand the sealed in area by 3-4 times, does not need shelves just volume otherwise I doubt you will have any mushrooms of saleable quality. Though I feel you may be over estimating the production of such a small area and underestimating the cost of sales.

Great job on the automation, very neat!


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OfflineGr0wer
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Re: Gr0 Greenhouse Build [Re: Gr0wer]
    #22023357 - 07/31/15 07:55 AM (8 years, 5 months ago)

Yes I am externally venting under my garage door. I've already had a few nice harvests off the bags around 10-14% weight yield. I'm growing phoenix oysters which seem much more
tollerant to co2 and heat. With 6 pails and 14 3 kilo bags the temperature
stays about 1 degree fahrenheit warmer than the garage ambient. I agree I need to expand my grow and I do plan to build a larger chamber in the future if sales go well. I've already registered my company and have the welcome course for the farmers market next week hopefully there isn't too much cost besides my stand


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Invisiblesolarity
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Re: Gr0 Greenhouse Build [Re: Gr0wer]
    #22024022 - 07/31/15 11:31 AM (8 years, 5 months ago)

Got any pics of your mushrooms? I have just started with phoenix as an additional warm weather strain. My Florida Oysters are extremely CO2 intolerant.


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OfflineGr0wer
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Re: Gr0 Greenhouse Build [Re: solarity]
    #22024445 - 07/31/15 01:49 PM (8 years, 5 months ago)



400 g off 4 kilo block of mulch first flush. Phoenix oyster unknown source, had a fellow shromerite send me a culture. Temps around low 80s.


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Invisiblesolarity
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Re: Gr0 Greenhouse Build [Re: Gr0wer]
    #22024640 - 07/31/15 02:39 PM (8 years, 5 months ago)

Nice colour! They are heat tolerant though they are also known for a heavy spore load.

Very leggy though from too high CO2. I think you will have problems with that in your present configuration, especially when you have more than one block fruiting at the same time. This will reduce your quality, yield and sales appeal.


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Offlinedrake89
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Re: Gr0 Greenhouse Build [Re: solarity]
    #22025931 - 07/31/15 07:44 PM (8 years, 5 months ago)

blues pretty much kick ass year round.  the browns don't have the shelf life or BE that the browns do.  plus browns pin under the bags like crazy while blues just pop out of the holes where you want em.


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