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Amazon Shop: Aquarium Heater, Perlite

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OfflinespasticSofa
I don't need noinstruction toknow how toROCK!

Registered: 01/03/04
Posts: 139
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Last seen: 11 years, 22 days
Lowering humidity...
    #2271766 - 01/25/04 03:49 PM (13 years, 5 months ago)

Hi all, I'm having a bit of trouble and need advice. I'm working on my first ever grow and I have a problem with too much humidity. The walls are covered in droplets and that is apprently too much for casings. My weapon of choice is a couple inches of perlite with maybe 1/2" water in a 2'x1.5'x1.5' rubbermaid tub. What's the best way of going about getting the humidity down a few notches?


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Offlinebroken_lizard
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Registered: 08/19/03
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Re: Lowering humidity... [Re: spasticSofa]
    #2271789 - 01/25/04 03:56 PM (13 years, 5 months ago)

there shouldn't really be a problem with your humidity using the perlite method.
question - are you heating the chamber somehow - maybe a heat pad or aquarium heater, etc. this will cause excess condensation.
if not, look at the temperature outside of the chamber as compared to in it.
if there is a difference between the two than this will cause the chamber to 'sweat'.
i don't know what your using for air exchange, sounds like your just fanning. either way, whatever your doing, just fan the chamber once in a while, a couple times a day and this will cut down on the build up of excess humidity.
anyway, with just perlite and no other humidification tek, there should be no problem with excess humidity.


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OfflinespasticSofa
I don't need noinstruction toknow how toROCK!

Registered: 01/03/04
Posts: 139
Loc: eh?
Last seen: 11 years, 22 days
Re: Lowering humidity... [Re: broken_lizard]
    #2271820 - 01/25/04 04:05 PM (13 years, 5 months ago)

I use an aquarium heater in a second rubbermaid bin that the fruiting chamber is stacked in. Temp is 75*. Room temp is around 65*. I fan a few times a day, but still have gobs of condensation on the walls.


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Offlinedaywalker
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Registered: 10/21/03
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Re: Lowering humidity... [Re: spasticSofa]
    #2271828 - 01/25/04 04:07 PM (13 years, 5 months ago)

How many casings we talking? You may find that taking out the perlite all together will get the RH down.

I was surprised how 3 relatively small casings could maintain a RH that is in the mid 90's.


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OfflinespasticSofa
I don't need noinstruction toknow how toROCK!

Registered: 01/03/04
Posts: 139
Loc: eh?
Last seen: 11 years, 22 days
Re: Lowering humidity... [Re: daywalker]
    #2271832 - 01/25/04 04:09 PM (13 years, 5 months ago)

There are 4 casings in tupperware containers that approx 6"x6". Considering how tall the rubbermaid bin is I'd be quite impressed if the casings could provide enough hummidity.


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Offlinedaywalker
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Re: Lowering humidity... [Re: spasticSofa]
    #2271851 - 01/25/04 04:15 PM (13 years, 5 months ago)

I have 3 with 24 sq.inches of area each. In a 60qt Rubbermaid maybe 14" tall. You have more casing to put out moisture.

It could also be related to temp. differences in and out of the terrarium. You could always mist the walls if it gets too dry in there.

Perlite just seems messy and so far for me, unecessary.


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"I suggest we ... learn to love our ... selves before it ... becomes illegal."


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OfflinespasticSofa
I don't need noinstruction toknow how toROCK!

Registered: 01/03/04
Posts: 139
Loc: eh?
Last seen: 11 years, 22 days
Re: Lowering humidity... [Re: daywalker]
    #2271861 - 01/25/04 04:17 PM (13 years, 5 months ago)

I'm considering going the hand misting route. I've taken out about half the perlite and drilled a couple 1/4" holes in the side of the container. In a couple hours I'll see if that makes enough of a difference.


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Offlinebroken_lizard
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Re: Lowering humidity... [Re: spasticSofa]
    #2271906 - 01/25/04 04:33 PM (13 years, 5 months ago)

the condensation build up on the walls is due to the temp difference, inside the container vs. outside.
this is only condensation,'sweat', and won't make the difference in your humdity, but if the walls are sweating, so is everything else.
having a heat source to maintain a reliable temp. is a great idea, unfortunately you've encountered the number 1 problem that comes along with it.
the best thing you could do, from my experience - which is pretty extensive(don't mean to toot the horm) - is to remove the artificial heat source.
keep your current hudifying tek, and just keep doing what your doing.
at 65 degrees, this will have little if no effect on the fruiting other than it taking a few extra days to fruit. the benefits of fruiting at a lower temp. - 65 degrees., is that it certainly/absolutely cuts down on the amount of contams,and the time it takes for the contams to take a foothold. this is a benefit, especially important when your dealing with casings.
just be sure that when you case, you allow the mycellium to run through at the optimum temp., do not case run at low temp.


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Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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