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Invisibleratdog
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The Great Debate on RH Automation......A Theory in Action Renamed
    #11241796 - 10/13/09 09:28 PM (8 years, 1 month ago)

it all starts with one of these

http://www.grainger.com/Grainger/items/3ZP77


i just got mine in and hooked it up.

now for a little info

i have a fan that runs in my ghetto green house. on top of it i have a glass of water "small glass"



i have taken the sensor and put a cotton sock around the tip and put the other half of the sock in the glass of water.


what this does is give you a wet bulb reading for the thermostat. with that and the regular reading from a separate thermometer "dry bulb" you can calculate the RH%

see this sight.
http://www.ringbell.co.uk/info/humid.htm

so if you set the thermostat to heat mode and the temp accuracy to 1 degF and the cut off temp to 3degF below the dry bulb reading "just guessing for my parameters" you can maintain RH% verry accurately.

i hope some of you try this and if you find a thermostat with 1deg capabilities for less money please let me know.

i have my lights on a timer and fae is constant 24/7 and rh% is steady sooooooooooooooo...... we will see what happens.

i am trying to maintain thease



thanks for reading my "Automated RH Tek"

give it a try.


--------------------
some people just don't get it:spank:
http://www.shroomery.org/forums/showflat.php/Number/11241796
so here is a video or two or three for you guys:rolleyes:


Edited by ratdog (12/30/09 03:06 AM)


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InvisibleSlimz
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: ratdog]
    #11241837 - 10/13/09 09:33 PM (8 years, 1 month ago)

i can buy alot of perlite for 75 bucks...

but thats a pretty cool solution


--------------------
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Invisiblefeelfunny
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: Slimz]
    #11241856 - 10/13/09 09:35 PM (8 years, 1 month ago)

ye nice and how much perlit? i get 50lb for 20$


--------------------
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OfflineDamion5050
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: Slimz]
    #11241859 - 10/13/09 09:35 PM (8 years, 1 month ago)

Yeah I don't get the point of it totally..

Cause all u need to tell the Rh is a 7 dollar analog hygrometer off ebay.. And that tells you the Rh..

?? Just seems like a waste of money ??


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Invisibleratdog
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: Slimz]
    #11241884 - 10/13/09 09:38 PM (8 years, 1 month ago)

Quote:

Slimz said:
i can buy allot of perlite for 75 bucks...

but thats a pretty cool solution





ah yes you can but............ this will work on any size box.... green house..... room .....house and i bet it takes more than 75 bucks to fill 3-5 inch layer of 5 connected mini green houses or a 200 square foot room.


just saying......


--------------------
some people just don't get it:spank:
http://www.shroomery.org/forums/showflat.php/Number/11241796
so here is a video or two or three for you guys:rolleyes:


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Invisibleratdog
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: Damion5050]
    #11241901 - 10/13/09 09:39 PM (8 years, 1 month ago)

Quote:

Damion5050 said:
Yeah I don't get the point of it totally..

Cause all u need to tell the Rh is a 7 dollar analog hygrometer off ebay.. And that tells you the Rh..

?? Just seems like a waste of money ??





what do you not understand about an accurate automated RH with no major swings due to fae?


--------------------
some people just don't get it:spank:
http://www.shroomery.org/forums/showflat.php/Number/11241796
so here is a video or two or three for you guys:rolleyes:


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OfflineDamion5050
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: ratdog]
    #11241918 - 10/13/09 09:41 PM (8 years, 1 month ago)

I get Rh at 97-99% with no drops below 97%

All I have is a 7 dollar hygrometer and a 20 dollar cool mist and a 8 dollar fan !! 

I get 2 minutes of fresh air every 20 minutes and 2 minutes of misting water every 15 minutes !!


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Invisiblefeelfunny
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: Damion5050]
    #11241936 - 10/13/09 09:43 PM (8 years, 1 month ago)

yea i never even went out and got another one when the electric one i had broke


--------------------
IF A CAT AND DOG CAN GET ALONG WHY CANT EVERYONE ELSE?
If the sky is falling, don't look up!  :abduction:

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Invisibleratdog
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: Damion5050]
    #11241946 - 10/13/09 09:44 PM (8 years, 1 month ago)

Quote:

Damion5050 said:
I get Rh at 97-99% with no drops below 97%

All I have is a 7 dollar hygrometer and a 20 dollar cool mist and a 8 dollar fan !! 






I get 2 minutes of fresh air every 20 minutes and 2 minutes of misting water every 15 minutes !!





and how do you achive that


--------------------
some people just don't get it:spank:
http://www.shroomery.org/forums/showflat.php/Number/11241796
so here is a video or two or three for you guys:rolleyes:


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OfflineDamion5050
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: ratdog]
    #11241958 - 10/13/09 09:47 PM (8 years, 1 month ago)

Cycle Timer works wonders..  U can set them in 1 minute increments up to like 6 hours I believe.. Let me check..  I can have it on for up to 30 minutes in one minute increments, and it will stay off up to 8 hours..


So basically I can set it for what ever I want 2 on 5 off  10 on  30 off  3 on  20 off..  Whatever you wanna do it does..


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OfflineDamion5050
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: Damion5050]
    #11241962 - 10/13/09 09:47 PM (8 years, 1 month ago)

My current setting as 2 minutes of and 20 off for fanning and 2 on and 15 off for misting..


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Invisibleratdog
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: Damion5050]
    #11241976 - 10/13/09 09:49 PM (8 years, 1 month ago)

ok so you got 2 of them and how much did you put out for that????


i got one thermostat and one light timer

a thermometer and that it


??????


--------------------
some people just don't get it:spank:
http://www.shroomery.org/forums/showflat.php/Number/11241796
so here is a video or two or three for you guys:rolleyes:


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OfflineDamion5050
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: ratdog]
    #11241990 - 10/13/09 09:51 PM (8 years, 1 month ago)

I got both of mine for free :hehehe:  thought you had me there huh.. LoL  Just fucking with you..  But I did get them basically for free got them both at a garage sale for 10 bucks total..


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Invisibleratdog
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: Damion5050]
    #11242003 - 10/13/09 09:52 PM (8 years, 1 month ago)

Quote:

Damion5050 said:
I got both of mine for free :hehehe:  thought you had me there huh.. LoL  Just fucking with you..  But I did get them basically for free got them both at a garage sale for 10 bucks total..




ok so how much did you save in perlite ????

that is from if you had to get them new?


--------------------
some people just don't get it:spank:
http://www.shroomery.org/forums/showflat.php/Number/11241796
so here is a video or two or three for you guys:rolleyes:


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OfflineDamion5050
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: ratdog]
    #11242016 - 10/13/09 09:54 PM (8 years, 1 month ago)

I don't know I never used perlite.. I was never a perlite person.. I have always done PmP's or mono tubs, and now I do mono's and greenhouses.


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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: Damion5050]
    #11242101 - 10/13/09 10:03 PM (8 years, 1 month ago)

I get it totally. i to have been think about how to automate FAE and RH in my indoor greenhouse. Maintaining RH with effective air exchange all in automation is nice. Not all species are so Co2 tolerant. oyster need allot of air exchange which i can't always be home to do myself.

comment thou on your set up. I'd get that humidifier out of the chamber. the internals wont last through all the high Rh. having electrical components in the chamber may cause issues.

I think the ideas great thou. thanks for sharing


--------------------


Edited by charvo (10/13/09 10:18 PM)


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Invisibleratdog
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: Damion5050]
    #11242120 - 10/13/09 10:05 PM (8 years, 1 month ago)

correct me if i am wrong you use something like this
http://www.bghydro.com/BGH/itemdesc.asp?ic=TICCARTDNE

2 of them? and what do you not understand about the wet dry bulb idea?

not to be an asshole but i just do not understand your point of view.
i would hope to find thermostats at garage sales but granger works too. for me.

i posted this tek to help people that are looking for good ideas " and this is one" to automate the RH%

with this no timer is needed for the fae its 24/7............. and if you reread i ask that if you find a thermostat with the same specs for less money i would like to know.

so please keep an open mind and try to help as i am.


--------------------
some people just don't get it:spank:
http://www.shroomery.org/forums/showflat.php/Number/11241796
so here is a video or two or three for you guys:rolleyes:


Post Extras: Print Post  Remind Me! Notify Moderator
Invisibleratdog
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Registered: 08/16/09
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: Damion5050]
    #11242157 - 10/13/09 10:10 PM (8 years, 1 month ago)

Quote:

Damion5050 said:
Yeah I don't get the point of it totally..

Cause all u need to tell the Rh is a 7 dollar analog hygrometer off ebay.. And that tells you the Rh..

?? Just seems like a waste of money ??



and 2 70 dollar cycle timers

170$ + your way to set up

90$+ my way


LOL what a waste of time and energy i guess you were head of the debate teem


--------------------
some people just don't get it:spank:
http://www.shroomery.org/forums/showflat.php/Number/11241796
so here is a video or two or three for you guys:rolleyes:


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OfflineDamion5050
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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: ratdog]
    #11242187 - 10/13/09 10:14 PM (8 years, 1 month ago)

Na why would I be head of the debate team. Im just saying you took a 70 dollar way to solve a 10 dollar problem, even without a cycle timer all u need is 2 5 dollar fan/light timers..  You can set those for 10 and 15 minute intervals..

And my setup cost me around 60 bucks total thats with the cost of the greenhouse/timers/fan/coolmist and even substarte..


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Re: RH% control you can rely on with little to no fluctuation "Automated RH Tek" [Re: Damion5050]
    #11242206 - 10/13/09 10:16 PM (8 years, 1 month ago)

Cycle timers and perlite do work.. and well. That said..

What he is doing is automating perfect RH.. in the situation here, where he is growing oysters, two issues arise. You basically need constant FAE, and you need specific RH values, I believe Oysters were 85-90% RH in fruiting. Add to that a bigger chamber.. it can be difficult/impossible to get constant FAE and correct humidity with a pile of perlite.. again, cycle timers will work, with calibration in this scenario. However, if buying good new timers.. the cost is greater. I will not explain how a wet bulb/dry bulb works completely, but it is definitely the most accurate RH gauge, it works off temps.. Using a chart to compare wet vs dry temps, you get the RH. So, all he has to do is monitor temps for a bit in his environment. With that info a thermostat can be set to trigger the humidifier when the RH drops, all while fans for FAE can run often/non-stop. This set up will automatically keep the RH correct..

So, why this verse a humidistat? 1.) again, its far more accurate and as RR has pointed out, 2.) in a large operation the probe gets spore logged and ceases to function correctly.

Then, for complete automation of FAE, as RR suggested to me, you can get a CO2 meter with a trigger to run exhaust/intake fans as the CO2 builds.. again this is far more important for oysters than cubes, but will work well for both.

I am with the OP on this :thumbup:


--------------------


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