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Amazon Shop for: Perlite

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Offlinenermski
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Registered: 06/27/02
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Perlite Humidification
    #2163079 - 12/06/03 12:44 AM (13 years, 3 months ago)

My friend has a terrarium made out of a tubberware container and with about 2 inches of perlte at the bottom. Since there is no droplets of water building up on the sides of the container, it leads him to think the humidity might not be high enough. The lid seems to be pretty tight and the water level seems to be right. Is it possible the perlite could have gone bad, it is almost a year old.


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Invisiblesimplemachine
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Re: Perlite Humidification [Re: nermski]
    #2163387 - 12/06/03 03:57 AM (13 years, 3 months ago)

I don't think perlite can go bad.  :confused:

take a colander and fill it with perlite, wet it down and shake off the exess water. lay 2 or 3 inches in bottom of terrarium. spray it when it drys out too much. If it is working condensation will build up on the walls.


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Anonymous

Re: Perlite Humidification [Re: nermski]
    #2163394 - 12/06/03 03:59 AM (13 years, 3 months ago)

No. Unless the perlite has been covered in something that would not allow water to penetrate i.e. someone let the jolly green giant jizz in the bag.

But seriously, i don't know if this is a common practice or not, you can put a small heating pad underneath the Growing Chamber. Set the pad on LOW. check your temps regularly to make sure you aren't getting too hot.


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OfflineDSD
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Re: Perlite Humidification [Re: nermski]
    #2163400 - 12/06/03 04:07 AM (13 years, 3 months ago)


nermski
420 has it right, a heating pad w/ moist perlite will give you plenty of humidity. are you getting droplets of water on your lid / cover ? if so you are o.k. if not you need to work w/ your set-up.


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Offlinenermski
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Re: Perlite Humidification [Re: DSD]
    #2163753 - 12/06/03 10:38 AM (13 years, 3 months ago)

No, there are no droplets of water on the lid. The lid is damp though and it leaves marks when you run fingers across it. I'm beginning to think the perlite is too wet? When you tilt it very sharply you can see water coming out the side of the perlite. Doesn't seem like it would be too much water since the layer of perlite is very thick.


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OfflineErik006
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Re: Perlite Humidification [Re: nermski]
    #2163788 - 12/06/03 11:17 AM (13 years, 3 months ago)

>Since there is no droplets of water building up on the sides of the container, it leads him to think the humidity might not be high enough.

This is condensation, meaning that your terrarium temps are different then the outside temps. This is not a reliable indicator of humidity.

Ive seen some green mold growing on perlite, but as long as it looks white youre all good.

As for your perlite being to wet, as long as your perlite is not a soupe that moves around really easily, dont worry, the water will evaporate.

Erik006 :sun:


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InvisibleHanky
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Re: Perlite Humidification [Re: Erik006]
    #2163919 - 12/06/03 12:36 PM (13 years, 3 months ago)

perlite cant go bad as it is an inert mineral.it can support contams just because it's wet and humid,ie.it's not uncommon to get algae forming on perlite.
to help keep it clean,add peroxide.

better still,throw out the perlite and get some geolite/hydroton.


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Anonymous

Re: Perlite Humidification [Re: Hanky]
    #2164382 - 12/06/03 04:07 PM (13 years, 3 months ago)

If you think your perlite is too wet, just check the water layer. If you have 2 inches of perlite, you should only have an inch of water.


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Offlinenermski
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Re: Perlite Humidification [Re: four20snakeman]
    #2164853 - 12/06/03 07:24 PM (13 years, 3 months ago)

Hmm if that's just condensation, I don't know what's wrong. The perlite isn't too wet and the lid is tight... I guess I'll just wait it out and see if anything fruits.


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Anonymous

Re: Perlite Humidification [Re: nermski]
    #2165262 - 12/06/03 10:52 PM (13 years, 3 months ago)

you could do this, as a last ditch check only though.

Wipe a piece of aluminum foil with alcohol. set it aside. Wipe the underside of the lid. make sure to get all the moisture off. then tape that piece of aluminum foil to the underside of the lid. make sure to tape around all four sides, so you have an airtight pocket behind the aluminum foil. Then put the lid back on and wait at least 12 hours. After the 12 hours are up, take the aluminum foil off. if there is water between the foil and the lid, its condensation from the chamber being different temp than the outside air. But, if there are water droplets on the side that faced the inside of the chamber, you are fine.

This is a common technique used by people that dry basements. Except they tape the foil to the basement wall. if water forms on the back side, your basement isn't sealed properly.


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Amazon Shop for: Perlite

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