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HorusTh3Chrous

Registered: 11/14/05
Posts: 955
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Quick Q- PERLITE....Sterile???
#5662603 - 05/23/06 12:27 AM (17 years, 8 months ago) |
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I baked it for an hour on a pizza pan at 350, boought it from wal-mart. Doesnt it come sterile too? But any ways, after cooking, and wetting for terrium, i noticed as i was pouring out a little water, so the levels were right, that the water was slightly brownish, like dirt...
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HorusTh3Chrous

Registered: 11/14/05
Posts: 955
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yes the water was sterile, and so was the tub
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Edgekrusher
God
Registered: 10/10/05
Posts: 674
Last seen: 17 years, 1 month
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sure, it's sterile enough. But add some Hydrogen Peroxide to your water for shits and giggles.
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HorusTh3Chrous

Registered: 11/14/05
Posts: 955
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Re: Quick Q- PERLITE....Sterile??? [Re: Edgekrusher]
#5662726 - 05/23/06 01:00 AM (17 years, 8 months ago) |
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thanks man! how much?
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Edgekrusher
God
Registered: 10/10/05
Posts: 674
Last seen: 17 years, 1 month
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A few good gulps should do the trick. Around 10% is nice.
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johnjohnandjamal
Stranger

Registered: 04/20/05
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Last seen: 6 years, 11 months
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Re: Quick Q- PERLITE....Sterile??? [Re: Edgekrusher]
#5664612 - 05/23/06 01:50 PM (17 years, 8 months ago) |
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The perlite that I have got in the past was definitely not sterile. It had fly eggs in it, which turned into maggots, which then infiltrated all my supplies. Be careful!
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RogerRabbit
Bans for Pleasure


Registered: 03/26/03
Posts: 42,214
Loc: Seattle
Last seen: 11 months, 3 days
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Quote:
johnjohnandjamal said: The perlite that I have got in the past was definitely not sterile. It had fly eggs in it, which turned into maggots, which then infiltrated all my supplies. Be careful!
That could only happen if you left standing water in the perlite. I can't type this enough, NO standing water should be left in perlite unless you want to breed bacteria and lower your FC's humidity. Perlite should be washed under the faucet, then allowed to drain in a spaghetti strainer before being dumped into the FC. There is no reason to worry about sterilizing perlite. We're using it in a fruiting chamber, and those by definition are not sterile. Adding peroxide is a waste of product. Bacteria need standing water to multiply to levels that will affect your crop, and peroxide breaks down in a matter of hours or less in the presence of bacteria or other organic compounds, rendering it useless. RR
-------------------- Download Let's Grow Mushrooms semper in excretia sumus solim profundum variat "I've never had a failed experiment. I've only discovered 10,000 methods which do not work." Thomas Edison
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johnjohnandjamal
Stranger

Registered: 04/20/05
Posts: 510
Last seen: 6 years, 11 months
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Re: Quick Q- PERLITE....Sterile??? [Re: RogerRabbit]
#5665588 - 05/23/06 05:20 PM (17 years, 8 months ago) |
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This was in preparation for a grow. I bought it from the store and stuffed it into a big rubbermaid with the rest of my unused supplies. Upon noticing the maggots, I checked everything in the bin and came to the conclusion that the maggots had originated from the perlite. Maybe there was some water already absorbed in it when I bought it. I was just making the point that it doesnt come sterile. I never even ended up using perlite as I switched techniques.
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hyphae
born to grow


Registered: 12/13/02
Posts: 6,228
Loc: the rain forests
Last seen: 12 years, 8 months
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Re: Quick Q- PERLITE....Sterile??? [Re: RogerRabbit]
#5666016 - 05/23/06 07:05 PM (17 years, 8 months ago) |
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Quote:
RogerRabbit said:
Quote:
johnjohnandjamal said: The perlite that I have got in the past was definitely not sterile. It had fly eggs in it, which turned into maggots, which then infiltrated all my supplies. Be careful!
That could only happen if you left standing water in the perlite. I can't type this enough, NO standing water should be left in perlite unless you want to breed bacteria and lower your FC's humidity. Perlite should be washed under the faucet, then allowed to drain in a spaghetti strainer before being dumped into the FC. There is no reason to worry about sterilizing perlite. We're using it in a fruiting chamber, and those by definition are not sterile. Adding peroxide is a waste of product. Bacteria need standing water to multiply to levels that will affect your crop, and peroxide breaks down in a matter of hours or less in the presence of bacteria or other organic compounds, rendering it useless. RR
I do have to say I've done hundreds of pounds of WBS in tubs with water/H2O2 as well as water/iodine and perlite without any contams ever, peroxide is effective IME for about 2-3 days at least its effects even though its been reacted within the first 24hrs. Now I'm in no way saying that simply soaking and draining perlite isn't the way to go it's a great tek IMHO but I have had personally great success with water/H2O2 as well as iodine/water (2 drops per gal.) Which IMO (iodine) is the better choice. I find with fanning often this setup is more stable and recovers quicker without ever needing to be rehydrated. Basically I'm saying it's not at all as contam prone as it's been made out to be and I say this from alot of successful grows people. The choice is always up to you try both and choice the one that best for you.
-------------------- Getting the most out of your casings!, A pinning strategy. Oyster Shell "Flour" $2 for 1lb. a hell of a deal Not what is overlay but rather what overlay is Gas Exchange vs. FAE "We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"
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johnjohnandjamal
Stranger

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Re: Quick Q- PERLITE....Sterile??? [Re: hyphae]
#5666392 - 05/23/06 08:40 PM (17 years, 8 months ago) |
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I never said it couldn't be used with great success. In the original post he asked if it comes sterile and I'm just saying that it doesn't come sterile. When you actually go to use it, you can kill whatever is on it in a number of ways. I wasn't saying that it was contam prone, its just it did not come sterile out of the bag. The perlite did not cause any contamination in a grow, it was left in the bag, in a bin full of other sealed supplies (coir, bird seed, poly fill, oyster shells, etc). Once again, I was by no means attempting to say it was a contam prone method of controlling humidity. As you stated, with the right preparations, it will rarely cause any problems.
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hyphae
born to grow


Registered: 12/13/02
Posts: 6,228
Loc: the rain forests
Last seen: 12 years, 8 months
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I was quoting RR BTW. Yes perlite bas well as vermiculite come pretty much sterile right out of the bag because of the way it's made (super heated) and processed, now the container you put it in may not have been sterile (most likely).
-------------------- Getting the most out of your casings!, A pinning strategy. Oyster Shell "Flour" $2 for 1lb. a hell of a deal Not what is overlay but rather what overlay is Gas Exchange vs. FAE "We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"
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HorusTh3Chrous

Registered: 11/14/05
Posts: 955
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Re: Quick Q- PERLITE....Sterile??? [Re: hyphae]
#5667394 - 05/24/06 01:13 AM (17 years, 8 months ago) |
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Well thanks guys, next time i'm going to drain, and then bake the perlite, and try iodine.
**I have about an inch of perlite in my Tererium, and about half that is water, but all perlite did get soaked, but about half an inch is standing, no heater, thats it. Cakes are set on jar lids directly on perlite! **But it has been a couple of days, and there is no humidity on the walls, or lid. Is this good/ normal? When i stick my hand in there it feels about 60% humid, i mean i can feel it! **I have a themometer/humidometer in one, i bought at wal-mart $16. It reads now 75f, and it says HI% humidity, but the cell phone lookin' thing is set directly on the perlite, so it might be off. Also i'm noticing white bumps on the mycelium, will these turn to brown pins?
THANKS!
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RogerRabbit
Bans for Pleasure


Registered: 03/26/03
Posts: 42,214
Loc: Seattle
Last seen: 11 months, 3 days
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You should really try for two inches of perlite to get proper humidity. I see no reason to bake the perlite because it isn't an organic compound that will contaminate by itself. I still don't like the idea of standing water anywhere near a mushroom crop, but I can't argue with success, and many successful growers do things differently with great results.
I suggest you get a mechanical hygrometer that you can calibrate for your terrarium, and use the walmart special in your living room or office. RR
-------------------- Download Let's Grow Mushrooms semper in excretia sumus solim profundum variat "I've never had a failed experiment. I've only discovered 10,000 methods which do not work." Thomas Edison
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hyphae
born to grow


Registered: 12/13/02
Posts: 6,228
Loc: the rain forests
Last seen: 12 years, 8 months
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I agree two inches will serve you much better.
-------------------- Getting the most out of your casings!, A pinning strategy. Oyster Shell "Flour" $2 for 1lb. a hell of a deal Not what is overlay but rather what overlay is Gas Exchange vs. FAE "We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"
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HorusTh3Chrous

Registered: 11/14/05
Posts: 955
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Re: Quick Q- PERLITE....Sterile??? [Re: hyphae]
#5674719 - 05/25/06 09:22 PM (17 years, 8 months ago) |
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Does this look right?

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HorusTh3Chrous

Registered: 11/14/05
Posts: 955
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yay, nay?
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hyphae
born to grow


Registered: 12/13/02
Posts: 6,228
Loc: the rain forests
Last seen: 12 years, 8 months
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Yay!
-------------------- Getting the most out of your casings!, A pinning strategy. Oyster Shell "Flour" $2 for 1lb. a hell of a deal Not what is overlay but rather what overlay is Gas Exchange vs. FAE "We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"
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HorusTh3Chrous

Registered: 11/14/05
Posts: 955
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Re: Quick Q- PERLITE....Sterile??? [Re: hyphae]
#5681823 - 05/27/06 10:04 PM (17 years, 8 months ago) |
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I've just noticed pinning starting at the very bottom. Why isnt any starting on top or where most of the mycelium is?
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KaptKid
Spaced Pirate


Registered: 12/11/03
Posts: 6,252
Loc: Bright Side of the Sun
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Maybe the rh is better there.
-------------------- Child of the 60's, Tripping ever since.
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hyphae
born to grow


Registered: 12/13/02
Posts: 6,228
Loc: the rain forests
Last seen: 12 years, 8 months
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Re: Quick Q- PERLITE....Sterile??? [Re: KaptKid]
#5682964 - 05/28/06 09:53 AM (17 years, 8 months ago) |
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Thats exactly why good call KaptKid! Thats where the moisture is best because of the verms moisture holding capabilities. If you were to have dunked and rolled you would have had much better pinning.
-------------------- Getting the most out of your casings!, A pinning strategy. Oyster Shell "Flour" $2 for 1lb. a hell of a deal Not what is overlay but rather what overlay is Gas Exchange vs. FAE "We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"
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