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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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Offlineawakeningosiris
newbie
Registered: 01/31/03
Posts: 27
Last seen: 21 years, 6 months
Vermiculite Alternatives (Replacements)?
    #1292876 - 02/09/03 07:11 AM (22 years, 1 month ago)

So I spent about 4 hours last night going to Kmart x 2, Walmart x 2, Lowes, Home Depot and Target looking for Vermiculite and other materials. I was told by every store that they stopped carrying it due to it having asbestos in it. Does anyone know of a good replacement or alternative for Vermiculite or something similar? After my 4 hours I was able to come up with:
12 1/2 Pint Wide Lip Jars
4lbs of Organic Brown Rice Flour
Bag Of Perlite
Bag of Peat Moss

sighhh....any information would be greatly appreciated. :grin: 

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Anonymous

Re: Vermiculite Alternatives (Replacements)? [Re: awakeningosiris]
    #1292893 - 02/09/03 07:16 AM (22 years, 1 month ago)

it doesn't have asbestos in it. they're just stupid. you can still find it at almost any independant nursery, greenhouse, or garden center. if that doesn't work, you can order it online inexpensively. i'd recommend the chunkier stuff.

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OfflineAngry Mycologist
Spontaneouslycombusting

Registered: 11/24/02
Posts: 1,282
Loc: Galapagos
Last seen: 21 years, 10 months
Re: Vermiculite Alternatives (Replacements)? [Re: awakeningosiris]
    #1292899 - 02/09/03 07:17 AM (22 years, 1 month ago)

You can find verm here: http://www.mycosupply.com (fine grade)


--------------------
The proper penalty of ignorance, which is of course that those who don't know should learn from those who do... - Plato

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Offlineawakeningosiris
newbie
Registered: 01/31/03
Posts: 27
Last seen: 21 years, 6 months
Re: Vermiculite Alternatives (Replacements)? [Re: Angry Mycologist]
    #1292974 - 02/09/03 07:48 AM (22 years, 1 month ago)

thank ya kyndly.

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OfflineRobbyrob
Cubensis seeker

Registered: 12/27/02
Posts: 653
Loc: Earth
Last seen: 14 years, 9 months
Re: Vermiculite Alternatives (Replacements)? [Re: awakeningosiris]
    #1293148 - 02/09/03 08:57 AM (22 years, 1 month ago)

from the Agency for toxic substances....

Most vermiculite is not contaminated with asbestos; however, the vermiculite deposits in the Libby, Montana area contain varying amounts of tremolite asbestos. After the vermiculite was mined, it was also exfoliated, increasing the amount of air-borne asbestos fibers at the exfoliation sites.

Vermiculite was mined from Zonolite Mountain in Libby, MT for more than 65 years (until 1990). The mine itself is located approximately 6 miles from the city of Libby. A transfer facility was located at the base of the mountain, approximately 3 miles from Libby. From the transfer facility, vermiculite was loaded onto trains for shipping or onto trucks going into Libby. Two expansion ("popping") facilities operated at different times within the town; these plants heated vermiculite to approximately 600 degrees Fahrenheit to expand "pop" the crystals. One of these facilities was next to a baseball field and was readily accessible to the community's children.

The mine was for vermiculite which was crushed and milled. The vermiculite ore body in Zonolite Mountain contains an asbestiform amphibole mineral. Asbestiform minerals are of concern because inhalation of asbestos fibers suspended in air can result in lung diseases, such as asbestosis, mesothelioma and lung cancer. The risk of developing any one of these diseases depends upon many factors including type of fiber, level and duration of exposure, and smoking history of the exposed individual. All types of asbestos fiber, the asbestiform types only, not the type of tremolite that results in short clearance fragments, are associated with the development of asbestos-related scarring and malignancies. (See Health Effects of Exposure for more information.)

While current airborne asbestos levels in Libby now appear to be low, ambient levels during the many decades that vermiculite was actively mined, processed, and shipped were certainly much higher. In fact, ambient air concentrations up to 15 times the current occupational limits were reported for downtown Libby in the past.

Vermiculite is a mineral with chemical properties similar to asbestos, but it is not fibrous in nature. At this time, the toxicity of the vermiculite has not been completely studied, but to date no serious health effects have been associated with exposure to vermiculite, per se. However, the vermiculite ore taken from the Libby mining operation has been documented to be contaminated with asbestiform minerals, including tremolite, actinolite, and others. Previous studies by the National Institute for Occupational Safetey and Health (NIOSH) and McGill University investigators found that former employees of the mine had substantial occupational exposure to these asbestiform minerals. These investigators also documented pulmonary abnormalities and disease (asbestosis and lung cancer) among employees. Cases of asbestos-related pulmonary diseases have been reported among household contacts of former mine employees and others in the community with no connection to the mining operations.

A pulmonologist in Spokane, Washington has evaluated more than 200 patients from the Libby, MT area for asbestos-related disease. Most of these patients were exposed while employed in the mining industry or while sharing a household with a mine employee (occupational exposure pathways), but several patients (10 -20) did not report an association with the mining industry and appear to have been exposed through other (environmental) exposure pathways in Libby. If cases of asbestos-related disease have resulted solely from environmental pathways, the population at risk may be much larger than previously expected. During this initial case-series we will collect and evaluate information about the cases of asbestos-related disease who appear to have been exposed through environmental pathways.

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InvisibleSubGen1us

Registered: 11/26/02
Posts: 3,427
Re: Vermiculite Alternatives (Replacements)? [Re: awakeningosiris]
    #1293162 - 02/09/03 09:03 AM (22 years, 1 month ago)

replacment. Use Wild bird seed, Millit, Corn, rye grains. Need a pc and
these require differerent teks though.


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