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PostPosted: Sep 4th, '13, 06:53 
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Hi guys,
Brand new to aquaponics. I bought my media from the local Lowes. Its a big bag of Pea Gravel.
I was reading the warning labels on the bag:
"may cause cancer"
"keep away from children"
"contains crystalline sillica"

The may cause cancer part worried me. Is this something to worry about?

Cheers,
Tim


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PostPosted: Sep 4th, '13, 09:11 
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Crystalline sillica is pretty common dust/airbourne product with a range of rock metarials. The warning will be refering to silicosis which is the result of inhaling silica dust. Its common in the mining industry and in very advanced cases there is the possibility of lung cancer although it is quite rare.

Wet down the media and you will be safe.


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PostPosted: Sep 4th, '13, 11:14 
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Agreed with charlie, this also applies to a lot of potting mixes as well. Best thing is when it comes to dust, use a dust mask and/or wet the product down and you should be safe.


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PostPosted: Sep 4th, '13, 12:33 
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Awesome, thanks guys.


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PostPosted: Sep 4th, '13, 13:37 
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I have thought about moving out of California because everything causes cancer here... It does not seem to be a problem in Nevada, Arizona, Washington... On a serious note, there are soo many warning labels here that it becomes easy to ignore them. How can we rationally gauge the risk when literally everything other than GMO crops have warning labels on them?


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PostPosted: Sep 4th, '13, 15:00 
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Surprised it didn't also say may contain peanuts and don't put the bag it comes in over over your head. :)


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PostPosted: Sep 4th, '13, 17:57 
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Contains small parts, keep away from children.


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PostPosted: Sep 4th, '13, 23:36 
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Do not use bag as a child storage device.


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PostPosted: Sep 4th, '13, 23:44 
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Excuse me? Where else are you supposed to store children?


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PostPosted: Sep 4th, '13, 23:46 
In a cupboard... under the stairs...


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PostPosted: Sep 5th, '13, 01:52 
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Do not eat the gravel LOL


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PostPosted: Sep 5th, '13, 09:53 
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Unless of course you have a gizzard, then go ahead and eat the gravel...


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