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Are Concrete Blocks Toxic?  RSS feed

 
Travis Philp
gardener
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Location: ZONE 5a Lindsay Ontario Canada
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I can't find information on this that has any 'authority'. Anybody know for sure? I have them lining a hay bale garden right now but am wondering if I should remove them. Thanks for any input.
 
Brenda Groth
pollinator
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Location: North Central Michigan
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i wouldn't think so, however, you would not want to use them by any acid loving plants as they may leach out enough product to make the soil more alkaline.
 
Jonathan Hontz
Posts: 36
Location: Denver, CO
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Have a look at this thread: http://www.permies.com/t/13174/organic-sustainable-practices/Toxicity-Concrete

We discussed all sorts of issues related to concrete and it'll probably help.
 
M Marx
Posts: 57
Location: Los Angeles
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I know a number of concrete producers are allowed to burn very toxic materials in the process of making concrete, so while it may not have a direct effect on you, concrete seems to be a bad industry
 
Travis Philp
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Location: ZONE 5a Lindsay Ontario Canada
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The blocks I have are second hand, from a nearby basement renovation so the pollution produced by block production isn't an issue here as I see it but that is good to know.
 
2017 Permaculture Design Course at Wheaton Labs
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